Safety and efficacy of endoscopic spray cryotherapy for Barrett's esophagus with high-grade dysplasia

Nicholas J. Shaheen, Bruce D. Greenwald, Anne F. Peery, John A. Dumot, Norman S. Nishioka, Herbert C. Wolfsen, J. Steven Burdick, Julian A. Abrams, Kenneth K. Wang, Damien Mallat, Mark H. Johnston, Alvin M. Zfass, Jenny O. Smith, James S. Barthel, Charles J. Lightdale