title: The need for systematic reviews in the treatment of menstrual disorders--another Cochrane collaborative review group is born.
authors.forename: G S
authors.initials: GS
authors.lastname: McCune
mesh_terms: D003280:Contraceptives, Oral, Synthetic / Q000627:therapeutic use*; D005260:Female; D006801:Humans; D008599:Menstruation Disturbances / Q000188:drug therapy*; D009640:Norethindrone / Q000627:therapeutic use*; D000078202:Systematic Reviews as Topic
chemical_list: D003280:Contraceptives, Oral, Synthetic; D009640:Norethindrone