[Morrhuic acid vaginal contraceptive suppository].
Xie
W Y
WY
D001208:Asia; D016022:Case-Control Studies; D002681:China; D003267:Contraception; D003268:Contraception Behavior; D003710:Demography; D003906:Developing Countries; D005193:Family Planning Services; D005202:Asia, Eastern; D005500:Follow-Up Studies; D015993:Life Tables; D012106:Research; D012107:Research Design; D013089:Spermatocidal Agents; D014622:Vaginal Creams, Foams, and Jellies
D013089:Spermatocidal Agents; D014622:Vaginal Creams, Foams, and Jellies
Asia; Case Control Studies; China; Contraception; Contraception Continuation; Contraceptive Effectiveness; Contraceptive Methods; Contraceptive Usage; Demographic Analysis; Developing Countries; Eastern Asia; Family Planning; Follow-up Studies; Life Table Method; Measurement; Research Methodology; Studies; Testing; Vaginal Spermicides; Vaginal Tablet