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List of works by Richard N van Zyl-Smit

A Cross-Sectional Study in Patients with Severe COPD to Assess the Perception of Symptom Variability (COPVAR) in the Middle East and Africa

scientific article published on 20 December 2019

Anaerobic Bacterial Fermentation Products Increase Tuberculosis Risk in Antiretroviral-Drug-Treated HIV Patients.

scientific article published on 22 March 2017

Are interferon-γ release assays useful for diagnosing active tuberculosis in a high-burden setting? ⬇️

scientific article

Assessment of previous tuberculosis status using questionnaires, chest X-rays and computed tomography scans.

scientific article published on December 2015

Challenges for dedicated smoking cessation services in developing countries

scientific article published on 31 May 2019

Clinical diagnostic utility of IP-10 and LAM antigen levels for the diagnosis of tuberculous pleural effusions in a high burden setting

scientific article

Clinical utility of a commercial LAM-ELISA assay for TB diagnosis in HIV-infected patients using urine and sputum samples

scientific article

Comparison of quantitative techniques including Xpert MTB/RIF to evaluate mycobacterial burden

scientific article

Comparison of same day versus delayed enumeration of TB-specific T cell responses.

scientific article

Development of a simple reliable radiographic scoring system to aid the diagnosis of pulmonary tuberculosis

scientific article

Diagnostic accuracy of induced sputum LAM ELISA for tuberculosis diagnosis in sputum-scarce patients.

scientific article

E-cigarette vapour enhances pneumococcal adherence to airway epithelial cells.

scientific article published on 7 February 2018

Efficacy of varenicline combined with nicotine replacement therapy vs varenicline alone for smoking cessation: a randomized clinical trial

scientific article published on July 2014

Electronic cigarettes. A position statement of the forum of international respiratory societies

scientific article (publication date: 15 September 2014)

Electronic cigarettes: The potential risks outweigh the benefits ⬇️

scientific article published on September 30, 2013

Evaluation of the Xpert MTB/RIF assay for the diagnosis of pulmonary tuberculosis in a high HIV prevalence setting

scientific article published on 14 April 2011

Feasibility and diagnostic utility of antigen-specific interferon-gamma responses for rapid immunodiagnosis of tuberculosis using induced sputum

scientific article

Five-year follow-up of participants diagnosed with chronic airflow obstruction in a South African Burden of Obstructive Lung Disease (BOLD) survey.

scientific article published in February 2018

High prevalence of smoking among patients with suspected tuberculosis in South Africa.

scientific article

Household Air Pollution and Risk of Pulmonary Tuberculosis in HIV-Infected Adults

preprint article published on 10 October 2023

Household air pollution and risk of pulmonary tuberculosis in HIV-Infected adults

scholarly article published on 17 January 2024

Impact of correcting the lymphocyte count to improve the sensitivity of TB antigen-specific peripheral blood-based quantitative T cell assays (T-SPOT.(®)TB and QFT-GIT).

scientific article

Incidence of occupational latent tuberculosis infection in South African healthcare workers

scientific article

Indacaterol acetate/mometasone furoate provides sustained improvements in lung function compared with salmeterol xinafoate/fluticasone propionate in patients with moderate-to-very-severe COPD: results from a Phase II randomized, double-blind 12-week

Management of chronic obstructive pulmonary disease-A position statement of the South African Thoracic Society: 2019 update

scientific article published on 01 November 2019

Novel tests for diagnosing tuberculous pleural effusion: what works and what does not?

scientific article published on May 2008

Obstructive pulmonary disease in patients with previous tuberculosis: Pathophysiology of a community-based cohort

scientific article

Quantitative lung T cell responses aid the rapid diagnosis of pulmonary tuberculosis

article

Questionnaires for Lung Health in Africa across the Life Course

scientific article published on 31 July 2018

Regulatory T cells attenuate mycobacterial stasis in alveolar and blood-derived macrophages from patients with tuberculosis

scientific article published in June 2013

Safety and Immunogenicity of Adenovirus 35 Tuberculosis Vaccine Candidate in Adults with Active or Previous Tuberculosis. A Randomized Trial

scientific article published on 6 January 2017

Safety and effectiveness of colistin compared with tobramycin for multi-drug resistant Acinetobacter baumannii infections

scientific article

Seeing the Wood for the Trees: Household Air Pollution and Lung Disease

scientific article published on 01 February 2019

Smoking and tuberculous infection: chasing associations with imperfect exposure and outcome measures [Editorial]

scientific article published in November 2013

Spontaneous remission of low-grade B-cell non-Hodgkin's lymphoma following withdrawal of methotrexate in a patient with rheumatoid arthritis: case report and review of the literature.

scientific article

The Intention to Test for Latent Tuberculosis Should Be a Targeted Intention to Trust and Treat the Result

scientific article

The Relationship Between Clinical Trial Participation and Inhaler Technique Errors in Asthma and COPD Patients

scientific article published on 02 June 2020

The asthma-COPD overlap syndrome: towards a revised taxonomy of chronic airways diseases?

scientific article published on 05 August 2015

The convergence of the global smoking, COPD, tuberculosis, HIV, and respiratory infection epidemics

scientific article published in September 2010

Transition from Restrictive to Obstructive Lung Function Impairment During Treatment and Follow-Up of Active Tuberculosis

scientific article published on 11 May 2020

Tuberculosis, chronic obstructive pulmonary disease and inhaled corticosteroids: a complex web.

scientific article published in December 2017

Utility of quantitative T-cell responses versus unstimulated interferon-{gamma} for the diagnosis of pleural tuberculosis.

scientific article published on 22 April 2009

Within-subject variability and boosting of T-cell interferon-gamma responses after tuberculin skin testing.

scientific article published on 2 April 2009

Within-subject variability of interferon-g assay results for tuberculosis and boosting effect of tuberculin skin testing: a systematic review

scientific article

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