title: [Let's talk about Norplant: advances in steroidal contraception].
authors.forename: J E
authors.initials: JE
authors.lastname: Martinez
mesh_terms: D001695:Biology; D002319:Cardiovascular System; D003267:Contraception; D003270:Contraceptive Agents; D003271:Contraceptive Agents, Female; D004703:Endocrine System; D004967:Estrogens; D005193:Family Planning Services; D006728:Hormones; D016912:Levonorgestrel; D008660:Metabolism; D010827:Physiology
chemical_list: D003270:Contraceptive Agents; D003271:Contraceptive Agents, Female; D004967:Estrogens; D006728:Hormones; D016912:Levonorgestrel
keywords: Biology; Cardiovascular Effects; Contraception; Contraceptive Agents; Contraceptive Agents, Female; Contraceptive Agents, Progestin; Contraceptive Implants--contraindications; Contraceptive Implants--side effects; Contraceptive Methods--contraindications; Contraceptive Methods--side effects; Endocrine System; Estrogens--contraindications; Family Planning; Hormones; Levonorgestrel; Metabolic Effects; Physiology; Reversibility