title: [Contraceptive research and development].
authors.forename: L
authors.initials: L
authors.lastname: Weng
mesh_terms: D003280:Contraceptives, Oral, Synthetic; D003281:Contraceptives, Postcoital; D005260:Female; D006801:Humans; D007436:Intrauterine Devices, Medicated; D015735:Mifepristone
chemical_list: D003280:Contraceptives, Oral, Synthetic; D003281:Contraceptives, Postcoital; D015735:Mifepristone