TY - CONF AU - Barreiro de Acosta, Manuel PY - 2014 SN - 1873-9946 UR - http://hdl.handle.net/20.500.11940/6364 LA - eng TI - Prospective, randomized clinical trial comparing the efficacy of two vaccines against hepatitis B virus (HBV) in inflammatory bowel disease (IBD) patients VL - 8 ER -