1Walsh JJ, bonnar J, Wright FW. A study of pulmonary embolism and deep leg vein thrombosis after mayor gynecologic surgyg using labeled fibringen phlebography and lung scanning[J]. J obstet gunecol br commonw, 1974,81(4):311.
2James w, orr Jr. Ingroduction to pelvic surgery pre-and post operative care[M]. In: Guxberg S B, shingleton h w, deppe G, ed. Female genital cancer. new york, Ediburgh, London, Melbourne: churchiu livingstone inc. 1988.528-538.
