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List of works by Lothar Schad

19F Oximetry with semifluorinated alkanes

scientific article published on 02 December 2015

1D and 2D diffusion pore imaging on a preclinical MR system using adaptive rephasing: Feasibility and pulse sequence comparison

scientific article

23 Na Triple-quantum signal of in vitro human liver cells, liposomes, and nanoparticles: Cell viability assessment vs. separation of intra- and extracellular signal

scientific article published on 25 January 2019

23Na-magnetic resonance imaging of the human lumbar vertebral discs: in vivo measurements at 3.0 T in healthy volunteers and patients with low back pain

scientific article published on 25 January 2014

3 Tesla sodium inversion recovery magnetic resonance imaging allows for improved visualization of intracellular sodium content changes in muscular channelopathies

scientific article published on 01 December 2011

30 Years of sodium/X-nuclei magnetic resonance imaging

scientific article published on 22 January 2014

3D radial projection technique with ultrashort echo times for sodium MRI: clinical applications in human brain and skeletal muscle.

scientific article

3T renal (23)Na-MRI: effects of desmopressin in patients with central diabetes insipidus

scientific article published on 6 April 2013

A double-tuned (1) H/(23) Na resonator allows (1) H-guided (23) Na-MRI in ischemic stroke patients in one session

scientific article

A generic support vector machine model for preoperative glioma survival associations.

scientific article published on 8 December 2014

A novel 3D printed mechanical actuator using centrifugal force for magnetic resonance elastography: Initial results in an anthropomorphic prostate phantom

scientific article published in PLoS ONE

A novel 3D-printed mechanical actuator using centrifugal force for magnetic resonance elastography

scientific article published in July 2017

A novel approach for a 2D/3D image registration routine for medical tool navigation in minimally invasive vascular interventions

scientific article published on 2 May 2016

A variational approach to image registration in dynamic contrast-enhanced MRI of the human kidney.

scientific article published on 7 December 2012

Accuracy of device-specific 2D and 3D image distortion correction algorithms for magnetic resonance imaging of the head provided by a manufacturer

scientific article published on 6 June 2006

Activation of the ventral striatum during aversive contextual conditioning in humans

scientific article

An in vivo verification of the intravoxel incoherent motion effect in diffusion‐weighted imaging of the abdomen

scientific article published on July 27, 2010

An open source software for analysis of dynamic contrast enhanced magnetic resonance images: UMMPerfusion revisited

scientific article published on 14 January 2016

Analysis of flow in artificial stenosis models of mid-sized arteries using 3D PC-MRI

scientific article

Apparent Diffusion Coefficient and Sodium Concentration Measurements in Human Prostate Tissue via Hydrogen-1 and Sodium-23 Magnetic Resonance Imaging in a Clinical Setting at 3 T

scientific article published on December 1, 2012

Assessment of Irradiated Brain Metastases by Means of Arterial Spin-Labeling and Dynamic Susceptibility-Weighted Contrast-Enhanced Perfusion MRI

scientific article published on 01 May 2004

Assessment of kidney volumes from MRI: acquisition and segmentation techniques

scientific article

Assessment of the Renal Corticomedullary 23Na Gradient Using Isotropic Data Sets

scientific article published on April 1, 2013

Bilateral 23Na MR imaging of the breast and quantification of sodium concentration

scientific article published on August 20, 2013

Bilateral kidney sodium‐MRI: Enabling accurate quantification of renal sodium concentration through a two‐element phased array system

scientific article published on February 6, 2013

Black-blood T1 mapping at 3T: Reduced partial-voluming using adiabatic MSDE preparation.

scientific article

Black-blood native T1 mapping: Blood signal suppression for reduced partial voluming in the myocardium

scientific article

Blood flow quantification from 2D phase contrast MRI in renal arteries using an unsupervised data driven approach.

scientific article

Brain morphology correlates of interindividual differences in conditioned fear acquisition and extinction learning

scientific article published on 26 February 2015

Brain sodium MRI in human epilepsy: Disturbances of ionic homeostasis reflect the organization of pathological regions

scientific article

CT and MRI compatibility of flexible 3D-printed materials for soft actuators and robots used in image-guided interventions

scientific article published on 23 October 2019

Cerebral Microbleeds in Murine Amyloid Angiopathy: Natural Course and Anticoagulant Effects

scientific article

Cerebral sodium (23Na) magnetic resonance imaging in patients with migraine - a case-control study

scientific article published on 01 July 2019

Characterization of a chip-based bioreactor for three-dimensional cell cultivation via Magnetic Resonance Imaging

scientific article published on February 12, 2013

Chemical shift sodium imaging in a mouse model of thromboembolic stroke at 9.4 T

scientific article published on July 18, 2011

Chlorine and sodium chemical shift imaging during acute stroke in a rat model at 9.4 Tesla

scientific article published on August 10, 2013

Color-coded visualization of magnetic resonance imaging multiparametric maps.

scientific article published on 23 January 2017

Combining new tools to assess renal function and morphology: a holistic approach to study the effects of aging and a congenital nephron deficit

scientific article

Comparing anisotropic diffusion filters for the enhancement of sodium magnetic resonance images.

scientific article published on 20 July 2012

Comparing dynamic parameters of tumor vascularization in nude mice revealed by magnetic resonance imaging and contrast-enhanced intermittent power Doppler sonography

scientific article published in August 2003

Comparison of arterial spin-labeling techniques and dynamic susceptibility-weighted contrast-enhanced MRI in perfusion imaging of normal brain tissue

scientific article published in November 2003

Comparison of automated brain segmentation using a brain phantom and patients with early Alzheimer's dementia or mild cognitive impairment.

scientific article published on 17 July 2015

Comparison of grey matter volume and thickness for analysing cortical changes in chronic schizophrenia: a matter of surface area, grey/white matter intensity contrast, and curvature.

scientific article published on 22 December 2014

Comparison of noninvasive MRT procedures for temperature measuremnt for the application of medical heat therapies

scientific article published on January 1, 2003

Comparison of perfusion models for quantitative T1 weighted DCE-MRI of rectal cancer

scientific article published on 20 September 2017

Comparison of selective arterial spin labeling using 1D and 2D tagging RF pulses

scientific article published on September 29, 2010

Context conditioning and extinction in humans: differential contribution of the hippocampus, amygdala and prefrontal cortex

scientific article published on 06 February 2008

Continuous representation of tumor microvessel density and detection of angiogenic hotspots in histological whole-slide images

scientific article published on 8 June 2015

Core curriculum for medical physicists in radiology. Recommendations from an EFOMP/ESR working group

scientific article published on May 3, 2012

Correction to: Tomosynthesis implementation with adaptive online calibration on clinical C-arm systems

scientific article published on 01 October 2018

Cortico-subcortical activation patterns for itch and pain imagery

scientific article published on 12 June 2013

DCE-MRI of the human kidney using BLADE: a feasibility study in healthy volunteers.

scientific article published on 29 November 2011

Deficient fear extinction memory in posttraumatic stress disorder

scientific article published on 26 September 2016

Design of a multimodal (1H/23Na MR/CT) anthropomorphic thorax phantom

scientific article published on 2 September 2016

Desynchronization of Cartesian k-space sampling and periodic motion for improved retrospectively self-gated 3D lung MRI using quasi-random numbers.

scientific article published on 10 March 2016

Determination of aortic compliance from magnetic resonance images using an automatic active contour model

scientific article published in August 2003

Determination of pharmacokinetic parameters in DCE MRI: Consequence of nonlinearity between contrast agent concentration and signal intensity

scientific article published in June 2006

Determination of regional blood volume and intra-extracapillary water exchange in human myocardium using Feruglose: First clinical results in patients with coronary artery disease

scientific article

Deterministic arterial input function selection in DCE-MRI for automation of quantitative perfusion calculation of colorectal cancer

scientific article published on 25 September 2020

Development of Cerebral Microbleeds in the APP23-Transgenic Mouse Model of Cerebral Amyloid Angiopathy-A 9.4 Tesla MRI Study

scientific article published on 8 July 2016

Differentiation of Pancreas Carcinoma From Healthy Pancreatic Tissue Using Multiple b-Values

scientific article published on 01 December 2009

Diffusion parameter mapping with the combined intravoxel incoherent motion and kurtosis model using artificial neural networks at 3 T.

scientific article published on 28 September 2017

Dissolved hyperpolarized xenon-129 MRI in human kidneys

scientific article published on 09 August 2019

Distribution of Brain Sodium Accumulation Correlates with Disability in Multiple Sclerosis: A Cross-sectional23Na MR Imaging Study

scientific article published on July 17, 2012

Dynamic Na MRI - A non-invasive window on neuroglial-vascular mechanisms underlying brain function

scientific article published on 04 October 2018

Dynamic T1-weighted monitoring of vascularization in human carcinoma heterotransplants by magnetic resonance imaging

scientific article published on March 2003

ECG-gated 23Na-MRI of the human heart using a 3D-radial projection technique with ultra-short echo times

scientific article

Echo Planar Imaging on a Standard 1.5 Tesla Imager

scientific article published in 1995

Efficient 23 Na triple-quantum signal imaging on clinical scanners: Cartesian imaging of single and triple-quantum 23 Na (CRISTINA)

scientific article published on 28 May 2020

Enhancing the quantification of tissue sodium content by MRI: time-efficient sodium B1 mapping at clinical field strengths

scientific article

Evaluating the effects of receive-only arrays in specific absorption rate simulations at 3 and 7 T

scientific article published on 26 June 2018

Evaluation of Sodium (<sup>23</sup>Na) MR-imaging as a Biomarker and Predictor for Neurodegenerative Changes in Patients With Alzheimer's Disease

scientific article published on 01 January 2021

Evaluation of patients with paramyotonia at 23Na MR imaging during cold-induced weakness

scientific article published on 14 June 2006

Evaluation of stacked resonators to enhance the performance of a surface receive-only array for prostate MRI at 3 Tesla

scientific article published on 25 July 2018

Experimental and mathematical analysis of cAMP nanodomains

scientific article

Fast and robust design of time-optimal k-space trajectories in MRI.

scientific article published on 9 October 2014

Fast glomerular quantification of whole ex vivo mouse kidneys using Magnetic Resonance Imaging at 9.4 Tesla

scientific article published on 6 January 2016

Fast three-dimensional inner volume excitations using parallel transmission and optimized k-space trajectories

scientific article published on 3 November 2015

Feasibility of quantitative MR-perfusion imaging to monitor treatment response after uterine artery embolization (UAE) in symptomatic uterus fibroids

scientific article published on 23 February 2019

Feasibility study of a double resonant (1H/23Na) abdominal RF setup at 3T

scientific article published on 11 February 2019

Feasibility study of a double resonant 8-channel 1H/ 8-channel 23Na receive-only head coil at 3 Tesla

scientific article published on 14 March 2019

First in vivo potassium-39 (³⁹K) MRI at 9.4 T using conventional copper radio frequency surface coil cooled to 77 K.

scientific article

Fully-automated quality assurance in multi-center studies using MRI phantom measurements

scientific article

Functional LGE Imaging: Cardiac Phase-Resolved Assessment of Focal Fibrosis

scientific article published on 01 July 2019

Functional MRI

scientific article

Functional Magnetic Resonance Imaging of Motoric Stimulation Measured at 1.5 Tesla

scientific article published in 1993

Functional Proton MRI in Emphysematous Rats

scientific article

Functional imaging of acute kidney injury at 3 Tesla: investigating multiple parameters using DCE-MRI and a two-compartment filtration model

scientific article published on 12 March 2014

Gaussian signal relaxation around spin echoes: Implications for precise reversible transverse relaxation quantification of pulmonary tissue at 1.5 and 3 Tesla.

scientific article published on 25 June 2016

Heterogeneity of acute multiple sclerosis lesions on sodium (23Na) MRI.

scientific article published on 9 October 2015

Highly cited articles in "Zeitschrift für Medizinische Physik"

scientific article published on 17 October 2016

Histogram based analysis of lung perfusion of children after congenital diaphragmatic hernia repair

scientific article published on 23 November 2017

Identification of a characteristic vascular belt zone in human colorectal cancer

scientific article

Imaging of lamination patterns of the adult human olfactory bulb and tract: in vitro comparison of standard- and high-resolution 3T MRI, and MR microscopy at 9.4 T.

scientific article published on 27 January 2012

Implicit Learning in Transient Global Amnesia and the Role of Stress.

scientific article

In vivo chlorine-35, sodium-23 and proton magnetic resonance imaging of the rat brain

scientific article published in July 2010

In vivo(39)K, (23)Na and (1)H MR imaging using a triple resonant RF coil setup

scientific article

Increased BOLD sensitivity in the orbitofrontal cortex using slice-dependent echo times at 3 T.

scientific article published on 24 August 2012

Increased total sodium concentration in gray matter better explains cognition than atrophy in MS.

scientific article published on 14 December 2016

Initial results of a new generation dual source CT system using only an in-plane comb filter for ultra-high resolution temporal bone imaging

scientific article published on 8 September 2014

Investigating cardiac stimulation limits of MRI gradient coils using electromagnetic and electrophysiological simulations in human and canine body models

scientific article published on 19 August 2020

Investigating potentially salvageable penumbra tissue in an in vivo model of transient ischemic stroke using sodium, diffusion, and perfusion magnetic resonance imaging

scientific article

Investigation of prostate cancer using diffusion-weighted intravoxel incoherent motion imaging

scientific article published on 19 August 2011

MRI Detection of Changes in Tissue Sodium Concentration in Brain Metastases after Stereotactic Radiosurgery: A Feasibility Study

scientific article published on 22 December 2020

Machine learning in preoperative glioma MRI: survival associations by perfusion-based support vector machine outperforms traditional MRI.

scientific article

Magnetic resonance fingerprinting for simultaneous renal T1 and T2* mapping in a single breath-hold

scientific article published on 03 January 2020

Magnetic resonance fingerprinting using echo-planar imaging: Joint quantification of T1 and T2∗ relaxation times.

scientific article published on 16 December 2016

Memory stabilization with targeted reactivation during human slow-wave sleep

scientific article

Metabolic counterparts of sodium accumulation in multiple sclerosis: A whole brain (23)Na-MRI and fast (1)H-MRSI study

scientific article published in October 2017

Metal-Tolerant Noncircular Orbit Design and Implementation on Robotic C-Arm Systems

scientific article published on 01 August 2020

Multi-class texture analysis in colorectal cancer histology

scientific article published on 16 June 2016

Multistage self-gated lung imaging in small rodents

scientific article published on 17 July 2015

Myocardial T1-mapping at 3T using saturation-recovery: reference values, precision and comparison with MOLLI

scientific article

Neural Mechanism of a Sex-Specific Risk Variant for Posttraumatic Stress Disorder in the Type I Receptor of the Pituitary Adenylate Cyclase Activating Polypeptide

scientific article

Neurofeedback of the difference in activation of the anterior cingulate cortex and posterior insular cortex: two functionally connected areas in the processing of pain

scientific article

New Colors for Histology: Optimized Bivariate Color Maps Increase Perceptual Contrast in Histological Images

scientific article published on 30 December 2015

Non-contrast-enhanced perfusion and ventilation assessment of the human lung by means of fourier decomposition in proton MRI.

scientific article published in September 2009

Non-invasive multiparametric qBOLD approach for robust mapping of the oxygen extraction fraction

scientific article published on 16 April 2014

Non-invasive quantitative pulmonary V/Q imaging using Fourier decomposition MRI at 1.5T.

scientific article published on 17 March 2015

Numerical modeling of susceptibility-related MR signal dephasing with vessel size measurement: phantom validation at 3T.

scientific article published on 24 October 2013

Optimized protocol for high resolution functional magnetic resonance imaging at 3T using single-shot echo planar imaging

scientific article published on 29 October 2014

Optimizing selective stimulation of peripheral nerves with arrays of coils or surface electrodes using a linear peripheral nerve stimulation metric

scientific article published on 14 January 2020

Oxygen extraction fraction mapping at 3 Tesla using an artificial neural network: A feasibility study.

scientific article published on 14 May 2017

Partially orthogonal resonators for magnetic resonance imaging

scientific article published on 10 February 2017

Perfusion and ventilation filters for Fourier-decomposition MR lung imaging

scientific article published on 20 November 2014

Polyphonic sonification of electrocardiography signals for diagnosis of cardiac pathologies

scientific article (publication date: 20 March 2017)

Pre-clinical functional Magnetic Resonance Imaging Part I: The kidney

scientific article

Pre-clinical functional Magnetic Resonance Imaging Part II: The heart

scientific article published on 09 July 2014

Predicting Magnetostimulation Thresholds in the Peripheral Nervous System using Realistic Body Models

scientific article

Prediction of peripheral nerve stimulation thresholds of MRI gradient coils using coupled electromagnetic and neurodynamic simulations

scientific article published on 09 August 2018

Problems in texture analysis with magnetic resonance imaging

scientific article published on June 1, 2004

Protein conformational changes affect the sodium triple-quantum MR signal

scientific article published on 12 July 2020

Quantification of glomerular number and size distribution in normal rat kidneys using magnetic resonance imaging

scientific article published on 3 June 2011

Quantitative Brain Sodium MRI Depicts Corticospinal Impairment in Amyotrophic Lateral Sclerosis

scientific article published on 11 June 2019

Quantitative and qualitative (23)Na MR imaging of the human kidneys at 3 T: before and after a water load.

scientific article

Quantitative arterial spin labelling perfusion measurements in rat models of renal transplantation and acute kidney injury at 3T

scientific article published on 24 March 2016

Quantitative in vivo 23Na MR imaging of the healthy human kidney: determination of physiological ranges at 3.0T with comparison to DWI and BOLD

scientific article published on March 9, 2013

Quantitative lung perfusion evaluation using Fourier decomposition perfusion MRI.

scientific article published on 4 September 2013

Quantitative lung ventilation using Fourier decomposition MRI; comparison and initial study

scientific article published on 12 February 2014

Quantitative renal perfusion measurements in a rat model of acute kidney injury at 3T: testing inter- and intramethodical significance of ASL and DCE-MRI

scientific article

Quantitative sodium MRI of kidney.

scientific article

Reduced cerebellar volume and neurological soft signs in first-episode schizophrenia

scientific article published on 8 November 2005

Reduction of B(0) inhomogeneity effects in triple-quantum-filtered sodium imaging

scientific article published on 18 November 2009

Renal Denervation in Patients with Resistant Hypertension-Assessment by 3T Renal 23Na-MRI: Preliminary Results

scientific article published in January 2016

Renal perfusion in acute kidney injury with DCE-MRI: deconvolution analysis versus two-compartment filtration model.

scientific article published on 13 February 2014

Repeatability and reproducibility of cerebral 23Na imaging in healthy subjects

Reproducible evaluation of spinal cord DTI using an optimized inner volume sequence in combination with probabilistic ROI analysis

scientific article published in January 2009

Review of potential improvements using MRI in the radiotherapy workflow.

scientific article published on 13 March 2015

Risk assessment of copper-containing contraceptives: the impact for women with implanted intrauterine devices during clinical MRI and CT examinations

scientific article published on 19 November 2018

STEAM-sequence with multi-echo-readout for static magnetic resonance elastography

scientific article published in January 2007

SVM-based glioma grading: Optimization by feature reduction analysis

scientific article published on 13 April 2012

Saturation-Recovery Myocardial T1-Mapping during Systole: Accurate and Robust Quantification in the Presence of Arrhythmia.

scientific article published on 27 March 2018

Scan time reduction in ²³Na-Magnetic Resonance Imaging using the chemical shift imaging sequence: Evaluation of an iterative reconstruction method

scientific article

Semi-automatic lung segmentation of DCE-MRI data sets of 2-year old children after congenital diaphragmatic hernia repair: Initial results.

scientific article

Sensitivity analysis of neurodynamic and electromagnetic simulation parameters for robust prediction of peripheral nerve stimulation.

scientific article

Simulation-based deep artifact correction with Convolutional Neural Networks for limited angle artifacts

scientific article published on 14 February 2019

Simultaneous measurement of kidney function by dynamic contrast enhanced MRI and FITC-sinistrin clearance in rats at 3 tesla: initial results

scientific article

Single-slice mapping of ultrashort T2

scientific article published on February 26, 2011

Sinusoidal echo‐planar imaging with parallel acquisition technique for reduced acoustic noise in auditory fMRI

scientific article published on May 14, 2012

Sodium MRI of T1 High Signal Intensity in the Dentate Nucleus due to Gadolinium Deposition in Multiple Sclerosis

scientific article published in June 2017

Sodium MRI using a density-adapted 3D radial acquisition technique.

scientific article published in December 2009

Sodium magnetic resonance imaging using ultra-short echo time sequences with anisotropic resolution and uniform k-space sampling

scientific article published on 16 December 2014

Sodium-23 MRI of whole spine at 3 Tesla using a 5-channel receive-only phased-array and a whole-body transmit resonator

scientific article published on 16 April 2015

Statin Therapy and the Development of Cerebral Amyloid Angiopathy--A Rodent in Vivo Approach

scientific article published on 19 January 2016

Stereotactic imaging for radiotherapy: accuracy of CT, MRI, PET and SPECT.

scientific article published in January 2003

Support vector machines in DSC-based glioma imaging: suggestions for optimal characterization

scientific article

Susceptibility weighted imaging (SWI) of the kidney at 3T--initial results.

scientific article

Susceptibility-related MR signal dephasing under nonstatic conditions: experimental verification and consequences for qBOLD measurements

scientific article published in February 2011

Susceptibility-sensitive magnetic resonance imaging detects human myocardium supplied by a stenotic coronary artery without a contrast agent

scientific article published in March 2003

Synthesis and characterization of HE-24.8: a polymeric contrast agent for magnetic resonance angiography.

scientific article

Synthesis of CT images from digital body phantoms using CycleGAN

scientific article published on 05 August 2019

T2*‐relaxivity contrast imaging: First results

scientific article published on June 25, 2012

Temporal evolution of acute multiple sclerosis lesions on serial sodium (23Na) MRI

scientific article published on 17 January 2019

Temporally resolved parametric assessment of Z-magnetization recovery (TOPAZ): Dynamic myocardial T1 mapping using a cine steady-state look-locker approach.

scientific article published on 30 August 2017

The cellular heat shock response monitored by chemical exchange saturation transfer MRI

scientific article published on 06 July 2020

The effect of adipose tissue-derived stem cells in a middle cerebral artery occlusion stroke model depends on their engraftment rate

scientific article

Three-dimensional accurate detection of lung emphysema in rats using ultra-short and zero echo time MRI.

scientific article published on 24 September 2015

Three-dimensional spiral MR imaging: Application to renal multiphase contrast-enhanced angiography

scientific article published in August 2002

Thromboembolic stroke in C57BL/6 mice monitored by 9.4 T MRI using a 1H cryo probe

scientific article published on September 12, 2012

Thrombolysis in experimental cerebral amyloid angiopathy and the risk of secondary intracerebral hemorrhage

scientific article published on 8 July 2014

Time efficient whole-brain coverage with MR Fingerprinting using slice-interleaved echo-planar-imaging.

scientific article

Tomosynthesis implementation with adaptive online calibration on clinical C-arm systems

scientific article published on 08 May 2018

Topography of brain sodium accumulation in progressive multiple sclerosis

scientific article published on 3 August 2013

Toward an optimal distribution of b values for intravoxel incoherent motion imaging

scientific article published on May 5, 2011

Towards measuring the effect of flow in blood <i>T</i><sub>1</sub> assessed in a flow phantom and in vivo

scientific article published on 11 March 2020

Tracking protein function with sodium multi quantum spectroscopy in a 3D-tissue culture based on microcavity arrays.

scientific article

Transcranial Direct Current Stimulation Alters Functional Network Structure in Humans: A Graph Theoretical Analysis

scientific article published on 07 May 2019

Two-dimensional radial acquisition technique with density adaption in sodium MRI.

scientific article published on 4 November 2010

Two-dimensional radial sodium heart MRI using variable-rate selective excitation and retrospective electrocardiogram gating with golden angle increments

scientific article published on October 18, 2012

UMMPerfusion: an open source software tool towards quantitative MRI perfusion analysis in clinical routine

scientific article published on April 2013

Wavelet-based segmentation of renal compartments in DCE-MRI of human kidney: Initial results in patients and healthy volunteers

scientific article published on June 24, 2011

Whole body sodium MRI at 3T using an asymmetric birdcage resonator and short echo time sequence: first images of a male volunteer.

scientific article

X-nuclei imaging: Current state, technical challenges, and future directions

scientific article published on 17 May 2019

[20 years of ZMP (Journal of Medical Physics)]

scientific article published on 17 July 2010

[25 years "Zeitschrift für Medizinische Physik"]

scientific article published on 15 January 2015

[An experimental organ model for magnetic resonance imaging]

scientific article published on 01 January 2007

[Examination of self-navigating MR-sequences for perfusion imaging of the kidneys]

scientific article published on 11 March 2010

²³Na-MRI of recurrent glioblastoma multiforme after intraoperative radiotherapy: technical note

scientific article