title: Development of contraceptive implants.
authors.affiliation: Parkside Surgery, Boston, Lincolnshire, UK.
authors.forename: M
authors.initials: M
authors.lastname: Walling
mesh_terms: D003267:Contraception / Q000379:methods* / Q000706:statistics & numerical data*; D003271:Contraceptive Agents, Female / Q000009:adverse effects / Q000737:chemistry / Q000600:supply & distribution; D017135:Desogestrel; D004341:Drug Evaluation; D004343:Drug Implants; D006801:Humans; D016912:Levonorgestrel / Q000009:adverse effects / Q000737:chemistry / Q000600:supply & distribution; D006113:United Kingdom; D014753:Vinyl Compounds / Q000009:adverse effects / Q000737:chemistry / Q000600:supply & distribution
chemical_list: D003271:Contraceptive Agents, Female; D004343:Drug Implants; D014753:Vinyl Compounds; C044815:etonogestrel; D016912:Levonorgestrel; D017135:Desogestrel