title: Fertility limitation through contraceptive steroids in the People's Republic of China.
mesh_terms: D000085:Acetates / Q000008:administration & dosage; D002681:China; D003270:Contraceptive Agents / Q000592:standards / Q000600:supply & distribution; D003276:Contraceptives, Oral / Q000008:administration & dosage; D003281:Contraceptives, Postcoital / Q000008:administration & dosage; D004997:Ethinyl Estradiol / Q000008:administration & dosage*; D005193:Family Planning Services; D005260:Female; D006801:Humans; D006908:Hydroxyprogesterones / Q000008:administration & dosage*; D008535:Megestrol / Q000008:administration & dosage*; D008628:Mercury / Q000008:administration & dosage; D009640:Norethindrone / Q000008:administration & dosage*; D010209:Paper; D011247:Pregnancy; D013488:Suppositories; D013607:Tablets
chemical_list: D000085:Acetates; D003270:Contraceptive Agents; D003276:Contraceptives, Oral; D003281:Contraceptives, Postcoital; D006908:Hydroxyprogesterones; D013488:Suppositories; D013607:Tablets; D004997:Ethinyl Estradiol; D008535:Megestrol; D008628:Mercury; D009640:Norethindrone