Journal of the American College of Surgeons Volume 227 Number 4 October 2018 Includes ORIGINAL SCIENTIFIC ARTICLES Comanagement in Colorectal Surgery Opioid-Prescribing Guidelines: Expert Panel Consensus COLLECTIVE REVIEW Statistical Techniques in General Surgery Literature EDUCATION Synchronized Deferred Live Surgery Special Libraries Association named Journal of the American College of Surgeons one of 100 most influential journals of the last 100 years, in medicine and biology JACS CME Available Online: http://jacscme.facs.org ISSN: 1072-7515 www.journalacs.org