Hormonal contraception: new long-acting methods.
D001673:Biodegradation, Environmental; D002214:Capsules; D003271:Contraceptive Agents, Female / Q000008:administration & dosage* / Q000009:adverse effects; D003692:Delayed-Action Preparations; D004343:Drug Implants; D004345:Drug Industry; D005193:Family Planning Services; D005260:Female; D006801:Humans; D007267:Injections; D016912:Levonorgestrel; D009644:Norgestrel / Q000008:administration & dosage* / Q000009:adverse effects
D002214:Capsules; D003271:Contraceptive Agents, Female; D003692:Delayed-Action Preparations; D004343:Drug Implants; D009644:Norgestrel; D016912:Levonorgestrel