?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aulast=Chalmers-Watson&rft.aufirst=T.A.&rft.au=Chalmers-Watson%2C+T.A.&rft.date=December+2009&rft.tpages=149&rft.title=The+role+of+the+NOD2+gene+in+the+pathogenesis+of+Crohn%E2%80%99s+disease&rft.inst=UCL+(University+College+London)&rft.degree=Doctoral