TY - JOUR AU - Panes, J; Lopez-Sanroman, A; Bermejo, F TI - Early azathioprine therapy is no more effective than placebo for newly diagnosed Crohn's disease JO - Gastroenterology VL - 145 PY - 2013 DO - 10.1053/j.gastro.2013.06.009 SP - 766 EP - 774 e761 N1 - et al. ER -