1. Vena caval surgery to prevent recurrent pulmonary embolism;McNamara,1978
2. Thrombosis of the deep veins of the lower leg, causing pulmonary embolism;Homans;N Engl J Med,1934
3. Interruption of the deep veins of the lower extremities in the prevention and treatment of thrombosis and embolism;Allen;Surg Gynecol Obstet,1947
4. An appraisal of bilateral superficial femoral vein ligation in preventing pulmonary embolism;Erb;Surgery,1951
5. Management of symptomatic deep venous thrombosis and pulmonary embolism on a neurosurgical service;Swann;J Neurosurg,1986