title: Pulmonary emboli: experience with the vena caval umbrella.
mesh_terms: D000328:Adult; D000368:Aged; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D011183:Postoperative Complications; D011655:Pulmonary Embolism / Q000175:diagnosis / Q000517:prevention & control* / Q000601:surgery; D012008:Recurrence; D014684:Venae Cavae / Q000601:surgery*