title: [Pharmacokinetic and pharmacodynamic studies on vaginally administered levonorgestrel].
authors.forename: C H
authors.initials: CH
authors.lastname: He
mesh_terms: D001208:Asia; D001695:Biology; D002681:China; D003267:Contraception; D003270:Contraceptive Agents; D003271:Contraceptive Agents, Female; D003276:Contraceptives, Oral; D003906:Developing Countries; D005193:Family Planning Services; D005202:Asia, Eastern; D005835:Genitalia; D005836:Genitalia, Female; D016912:Levonorgestrel; D010053:Ovary; D010827:Physiology; D014566:Urogenital System; D014621:Vagina
chemical_list: D003270:Contraceptive Agents; D003271:Contraceptive Agents, Female; D003276:Contraceptives, Oral; D016912:Levonorgestrel
keywords: Asia; Biology; China; Contraception; Contraceptive Agents, Female--administraction and dosage; Contraceptive Agents, Female--analysis; Contraceptive Agents, Female--pharmacodynamics; Contraceptive Agents, Progestin; Contraceptive Agents--administraction and dosage; Contraceptive Agents--analysis; Contraceptive Agents--pharmacodynamics; Contraceptive Methods; Developing Countries; Eastern Asia; Family Planning; Genital Effects, Female; Genitalia; Genitalia, Female; Levonorgestrel--administraction and dosage; Levonorgestrel--analysis; Levonorgestrel--pharmacodynamics; Oral Contraceptives; Ovarian Effects; Ovary; Physiology; Urogenital System; Vagina