内镜下黏膜内注射联合钛夹钳夹治疗Dieulafoy病20例效果分析
내경하점막내주사연합태협겸협치료Dieulafoy병20례효과분석
Analysis of treatment effect of 20 cases of Dieulafoy disease treated with endoscopic injection combined with titanium clip forceps