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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HISTOLOGY: CARDIOVASCULAR: HEART: Sinus Node Fibrosis: Micro low mag trichrome nice photo to illustrate this lesion 67yo F with resected colon carcinoma metastases infectious complications and arrhythmias