Protective Effects of Ecto‐nucleoside Triphosphate Diphosphohydrolases 2 and 3 (NTPDase 2 and 3) in Mouse Models of Colitis and Associations in Crohn's Disease: 638. (October 2016) - Jiang, Gordon Z.; Feldbrügge, Linda; Mitsuhashi, Shuji; Yee, Eric; Csizmadia, Eva; Stephan, Holger; Longhi, Serena; Cheifetz, Adam; Wu, Yan; Müller, Christa; Moss, Alan; Robson, Simon