Não informado. (2001). South African journal of medical sciences: Supplement. University of the Witwatersrand, Medical Graduate Association.
Chicago-referens (17:e uppl.)Não informado. South African Journal of Medical Sciences: Supplement. Johannesburg, Africa do Sul: University of the Witwatersrand, Medical Graduate Association, 2001.
MLA-referens (8:e uppl.)Não informado. South African Journal of Medical Sciences: Supplement. University of the Witwatersrand, Medical Graduate Association, 2001.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.