
Keywords: ترشح اسفنکتر مری ماندگار; EGD; esophagogastroduodenoscopy; GI; gastrointestinal; GOO; gastric outlet obstruction; GRSs; gas-related symptoms; IBS; irritable bowel syndrome; IBS-D; irritable bowel syndrome-diarrhea; SBO; small bowel obstruction; SIBO; small intestine bacterial ov