Etiologies and Clinical Features of Nonresponsive Celiac Disease in Children Under the Age of 18 Years: ACG Fellows‐In‐Training Award: 2429. (October 2015) - Veeraraghavan, Gopal; Kaswala, Dharmesh H.; Castillo, Natalia E.; McKeown, Allison; Leffler, Daniel A.; Kelly, Ciaran P.; Leichtner, Alan M.; Weir, Dascha C.