The Second SAGES/ASGE White Paper on natural orifice transluminal endoscopic surgery: 5 years of progress
Surgical Endoscopy (2011) - Comments
pubmed: 21359881  doi: 10.1007/s00464-011-1605-5  issn: 1432-2218  issn: 0930-2794 

David W. Rattner, Robert Hawes, Steven Schwaitzberg, Michael Kochman, Lee Swanstrom