A new animal model H. pylori-induced gastritis in standard sprague-dawley rats: S. Szabo, J.G. Fox∗, S. Kusstatscher, M. Nagata, A. Vincze, N.S. Taylor∗, Depts. of Pathology, Brigham & Women's Hosp., Harvard Med. Sch., Boston, MA, and ∗Div. of Comparative Med., MIT, Cambridge, MA