title: Nomenclature of the gonane progestins.
authors.forename: R A
authors.initials: RA
authors.lastname: Edgren
authors.forename: F Z
authors.initials: FZ
authors.lastname: Stanczyk
mesh_terms: D004962:Estranes / Q000737:chemistry* / Q000145:classification; D006067:Gonanes / Q000737:chemistry* / Q000145:classification; D016912:Levonorgestrel / Q000737:chemistry; D009640:Norethindrone / Q000737:chemistry; D009626:Terminology as Topic
chemical_list: D004962:Estranes; D006067:Gonanes; D016912:Levonorgestrel; D009640:Norethindrone