TY - BOOK AU - Castelazo-Ayala, L. AU - MacGregor, C. AU - Ebling, F.J.G. AU - Sheffield, I.W. Henderson TI - Gynecology and Obstetrics. Proceedings of the VIII World Congress of Gynecology and Obstetrics SN - 0-444-15251-2 PY - 1977/// CY - México PB - Excerpta Medica KW - Ginecologia KW - Obstetrícia KW - 618 ER -