TY - JOUR AU - Riis, L; Vind, I; Vermeire, S TI - The prevalence of genetic and serologic markers in an unselected European population-based cohort of IBD patients JO - Inflamm Bowel Dis VL - 13 PY - 2007 DO - 10.1002/ibd.20047 L3 - PubMed-ID: 17206636 SP - 24 EP - 32 N1 - et al. ER -