1Bernd Kohler,Matthias Maier,Claus Benz,Jurgen F. Riemann. Acute Ulcer Bleeding (A Prospective Randomized Trial to Compare Doppler and Forrest Classifications in Endoscopic Diagnosis and Therapy)[J] 1997,Digestive Diseases and Sciences(7):1370～1374
2Pin-Wen Lin M.D.,Hong-Ming Tsai M.D.,Ching-Yin Lin M.D.,Nan-Tsing Chiu M.D.. Simple, effective procedure with few complications for esophageal varices[J] 1995,World Journal of Surgery(3):424～429
