TY - JOUR AU - Barreiro de Acosta, Manuel PY - 2013 SN - 0269-2813 UR - http://hdl.handle.net/20.500.11940/1947 LA - eng TI - Letter: infliximab in severe ulcerative colitis - is it useful for all patients? DO - 10.1111/apt.12509 T2 - ALIMENTARY PHARMACOLOGY & THERAPEUTICS M2 - 1413 VL - 38 ER -