Alcohol Flush and Flex Protocol (Affp) to Decrease the Risk of Residual Bacterial Colonization Prior to Eus or Duodenoscope Insertion: Report of Use in 2915 Cases...Digestive Disease Week (DDW) 2017 American Society for Gastrointestinal Endoscopy (ASGE) Program and Abstracts, Chicago, Illinois, 6–9 May 2017.