Não informado. West African medical journal. Journal and Magazine Production Service.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. West African Medical Journal. Ibadan, Nigeria: Journal and Magazine Production Service.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. West African Medical Journal. Journal and Magazine Production Service.
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