title: Norethindrone plasma levels in human subjects.
mesh_terms: D002498:Centrifugation; D002845:Chromatography; D004305:Dose-Response Relationship, Drug; D005260:Female; D006801:Humans; D009640:Norethindrone / Q000008:administration & dosage / Q000097:blood*
chemical_list: D009640:Norethindrone