Learn-teach-learn: evaluating a South African near-peer teaching programme by Spies, R, Lee, H, Esack, I, Hollamby, R, Viljoen, C

Sputum color as a marker for bacteria in acute exacerbations of chronic obstructive pulmonary disease: a systematic review and meta-analysis by Spies, R, Potter, M, Hollamby, R, van der Walt, S, Hohlfeld, A, Ochodo, E, Van Zyl-Smit, R