目的探讨Bristol粪便性状评估表在肠镜检查患者中的应用效果。方法选取2020年6月至12月烟台市烟台山医院收治的肠镜检查患者240例......

A 58-year-old Japanese man had tarry stool and severe anemia. Neither upper nor lower gastrointestinal (GI) endoscopy sh......