Human anti-tumor necrosis factor monoclonal antibody (adalimumab) in Crohn's disease: the CLASSIC-I trial. - Hanauer,S.B.; Sandborn,W.J.; Rutgeerts,P.; Fedorak,R.N.; Lukas,M.; MacIntosh,D.; Panaccione,R.; Wolf,D.; Pollack,P. (Gastroenterology, 2006)