9Rosch T, Kapfer B, Will U, et al. Accuracy of endoscopic ultrasonography in upper gastrointestinal submucosal lesions: a prospective multicenter study. Scand J Gastroenterol,2002,37 : 856 -862. 被引量:1
10Stiegmann GV, Sun JH, Hammond WS, et al. Results of experimental endoscopic esophageal varix ligation. Am Surg, 1988, 54: 105-108. 被引量:1