An Unusual Cause of Epigastric Pain: Brunner's Gland Hyperplasia of the Ampulla of Vater

Wu Yi Hua, Huang Wen Hsin, Yang Chi Ying, Chang Kai Po
2021 International Archives of Internal Medicine  
doi:10.23937/2643-4466/1710031 fatcat:7douz3zoybgn7oeuwalfvyqhu4