Não informado. South African journal of medical sciences. University of the Witwatersrand, Medical Graduate Association.
Cita Chicago Style (17a ed.)Não informado. South African Journal of Medical Sciences. Johannesburg, Africa do Sul: University of the Witwatersrand, Medical Graduate Association.
Cita MLA (8a ed.)Não informado. South African Journal of Medical Sciences. University of the Witwatersrand, Medical Graduate Association.
Precaución: Estas citas no son 100% exactas.