Stercoral ulcer due to chicken bones in rectum : overtube used as a conduit for endoscopic removal .

因鸡骨导致的直肠宿便性溃疡：将外套管作为内镜切除的通路。

Clinical analysis of non-operative treatment for elderly patients with stercoral obstruction of colon .

老年粪石性肠梗阻非手术治疗临床分析。