The American Journal of Gastroenterology: Official Publication of the National Gastroenterological Association; November 2017, Vol. 112 Issue: 11 p1709-1718, 10p
The American Journal of Gastroenterology: Official Publication of the National Gastroenterological Association; July 2017, Vol. 112 Issue: 7 p1135-1143, 9p
The American Journal of Gastroenterology: Official Publication of the National Gastroenterological Association; January 2017, Vol. 112 Issue: 1 p120-131, 12p