M. Booysen

Earthworms (Oligochaeta: Lumbricidae) of Interior Alaska

D. Sikes, M. Bowser, R. Andrews, 2018, Biodiversity data journal.

Difference in mortality among individuals admitted to hospital with COVID-19 during the first and second waves in South Africa: a cohort study

Christine S. Smedley, L. Zühlke, J. Bhiman, 2021, The Lancet Global Health.

Risk factors for COVID-19-related in-hospital mortality in a high HIV and tuberculosis prevalence setting in South Africa: a cohort study

Christine S. Smedley, L. Zühlke, S. Naidoo, 2021, The Lancet HIV.