title: Pharmacokinetics and pharmacodynamics of sustained release systems.
mesh_terms: D003271:Contraceptive Agents, Female; D003692:Delayed-Action Preparations; D005260:Female; D006801:Humans; D007700:Kinetics; D008525:Medroxyprogesterone / Q000378:metabolism*; D009640:Norethindrone / Q000378:metabolism*
chemical_list: D003271:Contraceptive Agents, Female; D003692:Delayed-Action Preparations; D008525:Medroxyprogesterone; D009640:Norethindrone