@article{articleb4c36aab,
title   = {Flexible Endoscopic Zenker's Diverticulotomy Using Endoscopic Hood, Overtube, and Hook Knife},
author = {Sakai, P. and Sakai, C. M. and Furuya Jr., C. K.},
year = {2013},
doi = {10.1016/S2212-0971(13)70033-5},
journal   = {Video Journal and Encyclopedia of GI Endoscopy}
}