LFA #2010 Gastroesophageal Reflux Disease GERD Model Set of Four 4-piece model of progressive stages of GERD. Conditions include: Normal, Sliding Hiatal Hernia, and Acid Reflux, Chronic Acid Reflux/Barrett's Esophagus, Barrett's Esophagus, Adeno-Carcinoma Model Size: 4 ½" x 3" each of 4 models
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