ENDOSCOPY: GASTROINTESTINAL: GI: COLON: COLITIS, CROHNS,COLON, ULCERATED MASS; B1HM,ULCERATION, INFLAMMATORY MASS
Welcome to the Pathology Education Informational Resource (PEIR) Digital Library, a multidisciplinary public access image database for use in medical education.
ENDOSCOPY: GASTROINTESTINAL: GI: COLON: COLITIS, CROHNS,COLON, ULCERATED MASS; B1HM,ULCERATION, INFLAMMATORY MASS