title: Pioneers in animal reproduction - VI. M.C. Chang (1908-1991).
authors.forename: E
authors.initials: E
authors.lastname: Blom
mesh_terms: D000828:Animal Population Groups; D000818:Animals; D002681:China; D003277:Contraceptives, Oral, Combined / Q000266:history*; D005307:Fertilization in Vitro / Q000266:history*; D049673:History, 20th Century; D012098:Reproduction; D006113:United Kingdom; D014481:United States
chemical_list: D003277:Contraceptives, Oral, Combined