title: Plasma levels of d-norgestrel, estradiol and progesterone during treatment with silastic implants containing d-norgestrel.
mesh_terms: D000328:Adult; D004341:Drug Evaluation; D004343:Drug Implants; D004958:Estradiol / Q000097:blood*; D005260:Female; D006801:Humans; D008599:Menstruation Disturbances / Q000139:chemically induced; D009644:Norgestrel / Q000009:adverse effects / Q000097:blood / Q000627:therapeutic use*; D010060:Ovulation / Q000187:drug effects; D011247:Pregnancy; D011374:Progesterone / Q000097:blood*
chemical_list: D004343:Drug Implants; D009644:Norgestrel; D011374:Progesterone; D004958:Estradiol