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

by Richard N van Zyl-Smit, Alice Zwerling, Keertan Dheda, Madhukar Pai
Published 2009-12-01

Sputum colour as a marker for bacteria in acute exacerbations of COPD: protocol for a systematic review and meta-analysis

by Ruan Spies, Matthew Potter, Ruan Hollamby, Stefan van der Walt, Ameer Hohlfeld, Eleanor Ochodo, Richard N. van Zyl-Smit
Published 2021-07-01

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

by Tamaryn J Cashmore, Jonathan G Peter, Richard N van Zyl-Smit, Patricia L Semple, Alice Maredza, Richard Meldau, Alimuddin Zumla, Barbara Nurse, Keertan Dheda
Published 2010-04-01

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

by Richard N van Zyl-Smit, Anke Binder, Richard Meldau, Hridesh Mishra, Patricia L Semple, Grant Theron, Jonathan Peter, Andrew Whitelaw, Suren K Sharma, Robin Warren, Eric D Bateman, Keertan Dheda
Published 2011-01-01

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

by Keertan Dheda, Richard N Van-Zyl Smit, Leonardo A Sechi, Motasim Badri, Richard Meldau, Gregory Symons, Hoosein Khalfey, Igshaan Carr, Alice Maredza, Rodney Dawson, Helen Wainright, Andrew Whitelaw, Eric D Bateman, Alimuddin Zumla
Published 2009-01-01

Ventral dermatitis in rowi (Apteryx rowi) due to cutaneous larval migrans

by B.D. Gartrell, L. Argilla, S. Finlayson, K. Gedye, A.K. Gonzalez Argandona, I. Graham, L. Howe, S. Hunter, B. Lenting, T. Makan, K. McInnes, S. Michael, K.J. Morgan, I. Scott, D. Sijbranda, N. van Zyl, J.M. Ward
Published 2015-04-01