title: Safety of combined oral contraceptive pills.
authors.forename: D W
authors.initials: DW
authors.lastname: Cramer
mesh_terms: D003277:Contraceptives, Oral, Combined / Q000009:adverse effects*; D017135:Desogestrel / Q000009:adverse effects; D005260:Female; D006801:Humans; D009652:Norpregnenes / Q000009:adverse effects; D045167:Progesterone Congeners / Q000009:adverse effects*; D013923:Thromboembolism / Q000139:chemically induced; D013924:Thrombophlebitis / Q000139:chemically induced
chemical_list: D003277:Contraceptives, Oral, Combined; D009652:Norpregnenes; D045167:Progesterone Congeners; C033273:Gestodene; D017135:Desogestrel