title: Postoperative (or postsurgical) pulmonary embolism. A community analysis Duluth, Minnesota.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D005260:Female; D006493:Heparin / Q000627:therapeutic use; D006801:Humans; D008297:Male; D008875:Middle Aged; D008910:Minnesota; D011183:Postoperative Complications; D011655:Pulmonary Embolism / Q000175:diagnosis / Q000188:drug therapy / Q000209:etiology*
chemical_list: D006493:Heparin