Tỷ lệ sinh đôi ở Nigeria
Tóm tắt
Từ khóa
Tài liệu tham khảo
Nylander, 1978, Causes of high twinning frequencies in Nigeria, Prog Clin Biol Res, 24, 35
Nylander PPS (1976): Biosocial and clinical studies in twinning in an African and a Caucasian population, M.D. Thesis, University of Aberdeen.
MacGillivray, 1975, Human Multiple Pregnancy
Hardman, 1969, Pharmaceutical products from plant steroids, Trop Sci, 11, 196