title: Studies on sustained contraceptive effects with subcutaneous polydimethylsiloxane implants. 1. Diffusion of megestrol acetate in humans.
mesh_terms: D000328:Adult; D002214:Capsules; D002247:Carbon Isotopes; D002852:Chromatography, Ion Exchange; D003270:Contraceptive Agents / Q000008:administration & dosage / Q000378:metabolism*; D003692:Delayed-Action Preparations; D004058:Diffusion; D005243:Feces / Q000032:analysis; D006801:Humans; D008297:Male; D008535:Megestrol / Q000008:administration & dosage / Q000032:analysis / Q000378:metabolism* / Q000652:urine; D012828:Silicones
chemical_list: D002214:Capsules; D002247:Carbon Isotopes; D003270:Contraceptive Agents; D003692:Delayed-Action Preparations; D012828:Silicones; D008535:Megestrol