title: A comparative study on oral contraceptives.
mesh_terms: D000731:Androstanes / Q000009:adverse effects*; D001794:Blood Pressure / Q000187:drug effects; D001835:Body Weight / Q000187:drug effects; D002986:Clinical Trials as Topic; D003276:Contraceptives, Oral / Q000009:adverse effects*; D004116:Dimethisterone / Q000009:adverse effects; D003875:Drug Eruptions; D004997:Ethinyl Estradiol / Q000009:adverse effects*; D005260:Female; D006261:Headache / Q000139:chemically induced; D006470:Hemorrhage / Q000139:chemically induced; D006801:Humans; D008599:Menstruation Disturbances / Q000139:chemically induced; D009325:Nausea / Q000139:chemically induced; D010919:Placebos; D011247:Pregnancy; D011372:Progestins / Q000009:adverse effects*; D014839:Vomiting / Q000139:chemically induced
chemical_list: D000731:Androstanes; D003276:Contraceptives, Oral; D010919:Placebos; D011372:Progestins; D004997:Ethinyl Estradiol; D004116:Dimethisterone