The development of depot contraceptives.
D003271:Contraceptive Agents, Female / Q000494:pharmacology*; D005069:Evaluation Studies as Topic; D005260:Female; D006801:Humans; D007273:Injections, Intramuscular; D008525:Medroxyprogesterone / Q000008:administration & dosage / Q000494:pharmacology; D008567:Membranes, Artificial; D011374:Progesterone / Q000494:pharmacology; D012826:Silicone Elastomers; D013997:Time Factors
D003271:Contraceptive Agents, Female; D008567:Membranes, Artificial; D012826:Silicone Elastomers; D011374:Progesterone; D008525:Medroxyprogesterone