1. Postoperative pulmonary embolism: A prospective study utilizing low dose heparin;Abernethy;Am. J. Surg.,1974
2. Prospective analysis of pulmonary embolism in the post-operative patient;Allgood;Surgery,1970
3. Pulmonary embolism;Allison;Thorax,1960
4. Pulmonary Ventilation and Perfusion Scanning in Pulmonary Thromboembolism;Ashburn,1973
5. Plication of the inferior vena cava by a new channeling prosthesis;Barkett;Am. J. Surg.,1969