Epidemiology: how to do a study

South African History Online. (2016, February 22). Epidemiology: how to do a study. South African History Online. https://sahistory.org.za/nso/ref/R-0103827

South African History Online (2016) 'Epidemiology: how to do a study', South African History Online, 22 February. Available at: https://sahistory.org.za/nso/ref/R-0103827 (Accessed: 24 July 2026).

South African History Online, Epidemiology: how to do a study [website], https://sahistory.org.za/nso/ref/R-0103827, (accessed 24 July 2026).

"Epidemiology: how to do a study." South African History Online, 22 Feb. 2016, https://sahistory.org.za/nso/ref/R-0103827. Accessed 24 July 2026.

South African History Online. "Epidemiology: how to do a study." South African History Online. February 22, 2016. https://sahistory.org.za/nso/ref/R-0103827.