Não informado. West African medical journal. Journal and Magazine Production Service.
Chicago-referens (17:e uppl.)Não informado. West African Medical Journal. Ibadan, Nigeria: Journal and Magazine Production Service.
MLA-referens (8:e uppl.)Não informado. West African Medical Journal. Journal and Magazine Production Service.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.