
ENDOSCOPY: GASTROINTESTINAL: GI: COLON: COLITIS, CROHNS, COLON,SIGMOID; A4MI,OBSTRUCTING ULCERATED 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,SIGMOID; A4MI,OBSTRUCTING ULCERATED MASS