title: New concepts in contraception: Norplant subdermal implant.
authors.forename: M M
authors.initials: MM
authors.lastname: Lynn
authors.forename: C
authors.initials: C
authors.lastname: Holdcroft
mesh_terms: D002986:Clinical Trials as Topic; D003267:Contraception / Q000379:methods / Q000592:standards; D004343:Drug Implants; D004347:Drug Interactions; D005260:Female; D006801:Humans; D016912:Levonorgestrel / Q000009:adverse effects / Q000493:pharmacokinetics / Q000627:therapeutic use*
chemical_list: D004343:Drug Implants; D016912:Levonorgestrel