Endoscopic ultrasound guided biliary drainage in patients with unapproachable ampullae due to malignant duodenal

Paul J Belletrutti1, Christopher J DiMaio, Hans Gerdes

  • 1Gastroenterology and Nutrition Service, Department of Medicine, Memorial Sloan-Kettering Cancer Center, 1275 York Avenue, P.O. Box 273, New York, NY 10065, USA.

Abstract