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List of works by Alex J Walker

5-Fluorouracil chemotherapy affects spatial working memory and newborn neurons in the adult rat hippocampus.

scientific article published in July 2008

A New Mechanism To Identify Cost Savings in NHS Prescribing: Minimising 'Price-Per-Unit'

scientific article

Adrenergic blockers and the risk for common solid cancers: a case-control study.

scientific article published on 8 December 2015

Angiotensin converting enzyme inhibitors and hepatocellular carcinoma incidence in the General Practice Research Database

scientific article published on 11 September 2011

Aspirin and other non-steroidal anti-inflammatory drug use and colorectal cancer survival: a cohort study.

scientific article

Association between living with children and outcomes from covid-19: OpenSAFELY cohort study of 12 million adults in England

scientific article published on 18 March 2021

Building analytic skills to drive improvements in patient care and organisational decision making

scientific article published on 6 July 2015

Causes of death in people with liver cirrhosis in England compared with the general population: a population-based cohort study

scientific article published on 14 July 2015

Detecting change in comparison to peers in NHS prescribing data: a novel application of cumulative sum methodology

Do doctors in dispensing practices with a financial conflict of interest prescribe more expensive drugs? A cross-sectional analysis of English primary care prescribing data

scientific article published on 05 February 2019

Duration and magnitude of postoperative risk of venous thromboembolism after planned inguinal hernia repair in men: a population-based cohort study

scientific article published on 15 January 2018

Ethnic differences in SARS-CoV-2 infection and COVID-19-related hospitalisation, intensive care unit admission, and death in 17 million adults in England: an observational cohort study using the OpenSAFELY platform

scientific article published on 30 April 2021

Identifying patterns of clinical interest in clinicians’ treatment preferences: a hypothesis-free data science approach to prioritising prescribing outliers for clinical review (Preprint)

scientific article published in 2022

Impact of Chief Medical Officer activity on prescribing of antibiotics in England: an interrupted time series analysis

scientific article published on 01 April 2019

Impact of Electronic Health Record Interface Design on Unsafe Prescribing of Ciclosporin, Tacrolimus, and Diltiazem: Cohort Study in English National Health Service Primary Care

scientific article published on 16 October 2020

Impact of NICE guidance on tamoxifen prescribing in England 2011-2017: an interrupted time series analysis

scientific article published on 23 April 2018

Impact of direct acting antiviral therapy in patients with chronic hepatitis C and decompensated cirrhosis

scientific article published on 29 January 2016

Incidence of venous thromboembolism in patients with cancer – A cohort study using linked United Kingdom databases

scientific article published on November 9, 2012

Is use of homeopathy associated with poor prescribing in English primary care? A cross-sectional study

research article from 2018

Measuring the Impact of an Open Online Prescribing Data Analysis Service on Clinical Practice: a Cohort Study in NHS England Data

article

Measuring the Impact of an Open Online Prescribing Data Analysis Service on Clinical Practice: a Cohort Study in NHS England Data (Preprint)

Measuring the Impact of an Open Online Prescribing Data Analysis Service on Clinical Practice: a Cohort Study in NHS England Data (Preprint)

scientific article published on 16 January 2019

New mechanism to identify cost savings in English NHS prescribing: minimising 'price per unit', a cross-sectional study.

scientific article published on 8 February 2018

OpenSAFELY: factors associated with COVID-19 death in 17 million patients

scientific article published on 08 July 2020

OpenSAFELY: factors associated with COVID-19-related hospital death in the linked electronic health records of 17 million adult NHS patients.

scientific article published on 07 May 2020

Opioid prescribing trends and geographical variation in England, 1998-2018: a retrospective database study

scientific article published on 20 December 2018

Optimising laboratory monitoring of chronic conditions in primary care: a quality improvement framework

scientific article published on 29 March 2019

Outcomes after successful direct-acting antiviral therapy for patients with chronic hepatitis C and decompensated cirrhosis

scientific article published on 4 July 2016

Projected spending for brand-name drugs in English primary care given US prices: a cross-sectional study

scientific article published on 01 September 2020

Risk of symptomatic venous thromboembolism following emergency appendicectomy in adults.

scientific article published on 28 January 2016

Risk of venous thromboembolism in children after general surgery

scientific article

Risk of venous thromboembolism in hospitalised cancer patients in England-a cohort study

scientific article published on 26 July 2016

Risk of venous thromboembolism in people with lung cancer: a cohort study using linked UK healthcare data

scientific article published on 01 November 2016

Risk of venous thromboembolism in people with lung cancer: a cohort study using linked UK healthcare data.

scientific article

Six months on: NHS England needs to focus on dissemination, implementation and audit of its low-priority initiative

scientific article published on 03 December 2018

Survival of glioma and colorectal cancer patients using tricyclic antidepressants post-diagnosis

scientific article published on 12 October 2012

The clinician impact and financial cost to the NHS of litigation over pregabalin: a cohort study in English primary care

The clinician impact and financial cost to the NHS of litigation over pregabalin: a cohort study in English primary care.

scientific article published on 7 June 2018

Time trends and geographical variation in prescribing of antibiotics in England 1998-2017

scientific article published on 01 January 2019

Time trends and geographical variation in prescribing of drugs for diabetes in England from 1998 to 2017

article

Trends and variation in Prescribing of Low-Priority Medicines Identified by NHS England: A Cross-Sectional Study and Interactive Data Tool in English Primary Care

article

Trends and variation in antidepressant prescribing in English primary care: a retrospective longitudinal study

scientific article published on 13 May 2021

Trends and variation in prescribing of low-priority treatments identified by NHS England: a cross-sectional study and interactive data tool in English primary care.

scientific article

Trends, geographic variation, and factors associated with prescribing of gluten-free foods in English primary care: a cross sectional study

Trends, geographical variation and factors associated with prescribing of gluten-free foods in English primary care: a cross-sectional study.

scientific article

Variation in responsiveness to warranted behaviour change among NHS clinicians: novel implementation of change detection methods in longitudinal prescribing data

scientific article published on 02 October 2019

Variation in the risk of venous thromboembolism following colectomy

scientific article published on 21 September 2015

Variation in the risk of venous thromboembolism in people with colorectal cancer: a population-based cohort study from England

scientific article

Venous thromboembolism and mortality in breast cancer: cohort study with systematic review and meta-analysis

scientific article

Venous thromboembolism in children with cancer - a population-based cohort study.

scientific article published on 21 December 2013

Waning effectiveness of BNT162b2 and ChAdOx1 covid-19 vaccines over six months since second dose: OpenSAFELY cohort study using linked electronic health records

When are breast cancer patients at highest risk of venous thromboembolism? A cohort study using English health care data.

scientific article

Why did some practices not implement new antibiotic prescribing guidelines on urinary tract infection? A cohort study and survey in NHS England primary care

article

Why did some practices not implement new antibiotic prescribing guidelines on urinary tract infection? A cohort study and survey in NHS England primary care

scientific article published on 01 April 2019