South African Academy of Family Physicians. South African family practice. African Online Scientific Information Systems.
Cita Chicago (17th ed.)South African Academy of Family Physicians. South African Family Practice. Cape Town, South Africa: African Online Scientific Information Systems.
Cita MLA (9th ed.)South African Academy of Family Physicians. South African Family Practice. African Online Scientific Information Systems.
Atenció: Aquestes cites poden no estar 100% correctes.