Endoscopic Management of Gastrointestinal Perforations, Leaks, and Fistulas Using the Over-the-Scope Clip (OTSC) System: Early Multicenter Experience in Mongolia
B. Otgondemberel
Peroral Endoscopic Tumor Resection (POET) for an Exophytic Gastric Cardia GIST in an Elderly High-Risk Patient: A Case Report
