Não informado. (2001). South African journal of medical sciences: Supplement. University of the Witwatersrand, Medical Graduate Association.
Čikaški stil citiranja (17. izdanje)Não informado. South African Journal of Medical Sciences: Supplement. Johannesburg, Africa do Sul: University of the Witwatersrand, Medical Graduate Association, 2001.
MLA način citiranja (8. izdanje)Não informado. South African Journal of Medical Sciences: Supplement. University of the Witwatersrand, Medical Graduate Association, 2001.
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