Correlation of Cumulative Diagnostic Radiation Exposure With Increasing Lemann Index: The Need for Increased Provider Vigilance in Certain Crohn's Disease Sub‐groups: 1891. (October 2015) - Rao, Bhavana Bhagya; Koutroubakis, Ioannis; Rivers, Claudia Ramos; Regueiro, Miguel; Swoger, Jason; Schwartz, Marc; Baidoo, Leonard; Hashash, Jana G.; Barrie, Arthur; Dunn, Michael A.; Binion, David G.