00413nam a2200133Ia 4500 180412s9999||||xx |||||||||||||| ||und|| 333191862 Ahmadu Bello University Library - Zaria Boyd, J.D. The Human placenta. J. D. Boyd and W. J. Hamilton London Macmillan Press 1975 xv, 365p.: ill., diagr. Bibliography: p. 337-362 Hamilton, W.J. 21537 21537