This is one of a series of position statements discussing
the use of GI endoscopy in common clinical situations.
The Standards of Practice Committee of the American Society
for Gastrointestinal Endoscopy (ASGE) prepared this
text. In preparing this article, MEDLINE and PubMed databases
were used to search for publications between
January 1975 and December 2013 pertaining to this topic.
The search …