Endoscopic spray cryotherapy for esophageal cancer: safety and efficacy

Bruce D. Greenwald, John A. Dumot, Julian A. Abrams, Charles J. Lightdale, Donald S. David, Norman S. Nishioka, Patrick Yachimski, Mark H. Johnston, Nicholas J. Shaheen, Alvin M. Zfass, Jenny O. Smith, Kanwar Rupinder S. Gill, J. Steven Burdick, Damien Mallat, Herbert C. Wolfsen