[The contraceptive effectiveness of morrhuic acid suppository].
Jin
Y C
YC
D001723:Birth Rate; D003267:Contraception; D003270:Contraceptive Agents; D003710:Demography; D005069:Evaluation Studies as Topic; D005193:Family Planning Services; D005298:Fertility; D010570:Pessaries; D011153:Population; D011157:Population Dynamics; D018873:Pregnancy Rate; D013089:Spermatocidal Agents
D003270:Contraceptive Agents; D013089:Spermatocidal Agents
Contraception; Contraception Termination; Contraceptive Agents; Contraceptive Effectiveness; Contraceptive Methods; Demographic Factors; Evaluation; Family Planning; Fertility; Fertility Measurements; Population; Population Dynamics; Pregnancy Rate; Spermicidal Contraceptive Agents; Use-effectiveness; Vaginal Spermicides; Vaginal Suppository