Association of the macrophage migration inhibitory factor gene polymorphisms with inflammatory bowel disease. Issue 1 (15th December 2006) - Oliver, J; Márquez, A; Gómez-Garcia, M; Martinez, A; Mendoza, J L; Vilchez, J R; López-Nevot, M A; Piñero, A; de la Concha, E G; Nieto, A; Urcelay, E; Martín, Dr J