ENDOSCOPY: GASTROINTESTINAL: GI: STOMACH: ULCER, PEPTIC; STOMACH, ANTRUM, ULCER; A2LS GU SP CHOL.4, GASTRIC ULCER
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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