RT Journal Article SR Electronic T1 NOD2/CARD15 mutations do not affect early course of Crohn’s disease JF Journal of Medical Genetics JO J Med Genet FD BMJ Publishing Group Ltd SP 844 OP 844 DO 10.1136/jmg.40.11.844 VO 40 IS 11 YR 2003 UL http://jmg.bmj.com/content/40/11/844.abstract AB