title: The Greenfield filter: an advance in pulmonary embolism management.
mesh_terms: D000328:Adult; D000368:Aged; D001769:Blood; D005374:Filtration / Q000295:instrumentation*; D006801:Humans; D008875:Middle Aged; D011183:Postoperative Complications; D011655:Pulmonary Embolism / Q000209:etiology / Q000517:prevention & control*; D013924:Thrombophlebitis / Q000150:complications; D014682:Vena Cava, Inferior