The NOD2-Smoking Interaction in Crohn's Disease is likely Specific to the 1007fs Mutation and may be Explained by Age at Diagnosis: A Meta-Analysis and Case-Only Study

M Ellen Kuenzig, Jeff Yim, Stephanie Coward, Bertus Eksteen, Cynthia H Seow, Cheryl Barnabe, Herman W Barkema, Mark S Silverberg, Peter L Lakatos, Paul L Beck, Richard Fedorak, Levinus A Dieleman, Karen Madsen, Remo Panaccione, Subrata Ghosh, Gilaad G Kaplan