Experimental observations on removal of chronic inferior vena caval ligations.
D000818:Animals; D003097:Collateral Circulation; D004285:Dogs; D010690:Phlebography; D011183:Postoperative Complications; D011655:Pulmonary Embolism / Q000517:prevention & control*; D013523:Surgical Equipment; D000267:Tissue Adhesions / Q000209:etiology; D014682:Vena Cava, Inferior / Q000601:surgery*