title: [2 oral contraceptives with the same gestagen and different estrogen.  A controlled clinical trial].
mesh_terms: D001794:Blood Pressure; D001835:Body Weight; D002986:Clinical Trials as Topic; D004338:Drug Combinations; D004997:Ethinyl Estradiol / Q000009:adverse effects; D005260:Female; D006801:Humans; D008656:Mestranol / Q000009:adverse effects; D009325:Nausea / Q000139:chemically induced; D009640:Norethindrone / Q000009:adverse effects
chemical_list: D004338:Drug Combinations; D004997:Ethinyl Estradiol; D008656:Mestranol; D009640:Norethindrone
vernacular_title: To perorale antikonceptiva med samme gestagen og forskelligt østrogen.  En kontrolleret klinisk undersøgelse