title: [Progress in the study of family planning in China].
authors.forename: Y
authors.initials: Y
authors.lastname: Wu
mesh_terms: D002681:China; D004343:Drug Implants; D005193:Family Planning Services; D006801:Humans; D007435:Intrauterine Devices, Copper; D007436:Intrauterine Devices, Medicated; D015735:Mifepristone / Q000627:therapeutic use
chemical_list: D004343:Drug Implants; D015735:Mifepristone