To study the causes and value of the pseudo-occlusion of the anastomotic pathway between celiacand superior mesenteric arteries. Methods: 15 patients including
Primary yolk sac tumor of the mediastinum is very rare. Yolk sac tumor is highly malignant, and has less chance of operation. One case, which treated in this in
Objective: To label avidin (Av) or streptavidin (SA) with 153Sm by taking advantage of the high binding affinity of biotin to Av or SA. Methods: A biotin deriva