ENDOSCOPY: GASTROINTESTINAL: GI: COLON: COLITIS, ULCERATIVE, COLON, DESCENDING,MUCOPUS; A2RH, SEVERE COLITIS,INDETERMINANT, ULCERATION, MUCOPUS
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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