PEIR Digital Library

Welcome to the Pathology Education Informational Resource (PEIR) Digital Library, a multidisciplinary public access image database for use in medical education.

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ENDOSCOPY: GASTROINTESTINAL: GI: RECTUM: COLITIS, ULCERATIVE, RECTUM,6 MO POST-OP; A2AM,6 MO POST-OP,FU SIGMOIDOSCOPY,10/18/91