ENDOSCOPY: GASTROINTESTINAL: GI: COLON: COLITIS, CROHNS, COLON, LINEAR ULCER; B2AE, LINEAR ULCER, COLON
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, LINEAR ULCER; B2AE, LINEAR ULCER, COLON