20211113155100.0 0267-1379 0267-1379 http://firstsearch.oclc.org 0267-1379 Current opinion in gastroenterology 0267-1379 Pennsylvania Current opinion in gastroenterology. http://www.co-gastroenterology.com/ http://firstsearch.oclc.org/journal=0267-1379;screen=info;ECOIP Current opinion in gastroenterology Current opinion in gastroenterology. 0267-1379