Gastric duplication cyst: a challenging EUS differential diagnosis between subepithelial gastric lesion and exophytic pancreatic cystic neoplasm-a case report and a literature review. - Massidda M; Rocchi C; Tomassini G; Vadalà di Prampero SF; Cossu Rocca P; Tondolo V; Manzoni G; Bulajic M (Clinical journal of gastroenterology, 2022)