title: Plasma levels of norethindrone after i.m. injection of 200 mg norethindrone enanthate.
mesh_terms: D000328:Adult; D004958:Estradiol / Q000097:blood; D005260:Female; D006801:Humans; D007273:Injections, Intramuscular; D009640:Norethindrone / Q000008:administration & dosage / Q000097:blood* / Q000494:pharmacology; D010060:Ovulation / Q000187:drug effects; D011374:Progesterone / Q000097:blood; D013997:Time Factors
chemical_list: D011374:Progesterone; D004958:Estradiol; D009640:Norethindrone