South African Academy of Family Physicians. South African family practice. African Online Scientific Information Systems.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)South African Academy of Family Physicians. South African Family Practice. Cape Town, South Africa: African Online Scientific Information Systems.
MLA -ийн эшлэл (9 дэх хэвлэлт)South African Academy of Family Physicians. South African Family Practice. African Online Scientific Information Systems.
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