ENDOSCOPY: GASTROINTESTINAL: GI: COLON: COLITIS, ULCERATIVE, SIGMOID, INTRACTABLE, PRE-OP; A2AM, PRE-OP SIGMOIDOSCOPY,4/18/91
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, ULCERATIVE, SIGMOID, INTRACTABLE, PRE-OP; A2AM, PRE-OP SIGMOIDOSCOPY,4/18/91