title: Letter: Pulmonary embolism in a man taking an oral contraceptive.
mesh_terms: D003276:Contraceptives, Oral / Q000009:adverse effects*; D006801:Humans; D008297:Male; D008875:Middle Aged; D011655:Pulmonary Embolism / Q000139:chemically induced* / Q000175:diagnosis; D014190:Transvestism
chemical_list: D003276:Contraceptives, Oral