title: Central retinal vein thrombosis in a woman on contraceptive pills.
mesh_terms: D003276:Contraceptives, Oral / Q000009:adverse effects*; D004997:Ethinyl Estradiol / Q000009:adverse effects*; D005260:Female; D006801:Humans; D008875:Middle Aged; D009640:Norethindrone / Q000009:adverse effects*; D012164:Retinal Diseases / Q000139:chemically induced; D012169:Retinal Vein; D013927:Thrombosis / Q000139:chemically induced*
chemical_list: D003276:Contraceptives, Oral; D004997:Ethinyl Estradiol; D009640:Norethindrone