title: Trial of aspirin and RA 233 in prevention of post-operative deep vein thrombosis.
mesh_terms: D001241:Aspirin / Q000008:administration & dosage / Q000627:therapeutic use*; D004176:Dipyridamole / Q000008:administration & dosage / Q000627:therapeutic use*; D005265:Femoral Neck Fractures / Q000601:surgery; D005340:Fibrinogen; D006801:Humans; D007457:Iodine Radioisotopes; D010919:Placebos; D011183:Postoperative Complications / Q000517:prevention & control*; D013924:Thrombophlebitis / Q000175:diagnosis / Q000517:prevention & control*; D013997:Time Factors
chemical_list: D007457:Iodine Radioisotopes; D010919:Placebos; D004176:Dipyridamole; D005340:Fibrinogen; D001241:Aspirin