title: Sex, aspirin, and venous thrombosis.
mesh_terms: D001241:Aspirin / Q000627:therapeutic use*; D002986:Clinical Trials as Topic; D004311:Double-Blind Method; D005260:Female; D006615:Hip / Q000601:surgery*; D006801:Humans; D007595:Joint Prosthesis; D007866:Leg / Q000000981:diagnostic imaging; D008297:Male; D008875:Middle Aged; D010690:Phlebography; D010992:Plethysmography, Impedance; D011183:Postoperative Complications / Q000175:diagnosis / Q000517:prevention & control*; D011446:Prospective Studies; D011877:Radionuclide Imaging; D012737:Sex Factors; D013924:Thrombophlebitis / Q000175:diagnosis / Q000517:prevention & control*
chemical_list: D001241:Aspirin