TY - JOUR AU - Johnson, G J; Cosnes, J; Mansfield, J C TI - Review article: smoking cessation as primary therapy to modify the course of Crohn’s disease JO - Aliment Pharmacol Ther VL - 21 PY - 2005 DO - 10.1111/j.1365-2036.2005.02424.x L3 - PubMed-ID: 15813828 SP - 921 EP - 931 ER -