皮圈结扎与金属夹子治疗上消化道Dieulafoy病变出血的临床对比研究
피권결찰여금속협자치료상소화도Dieulafoy병변출혈적림상대비연구
Endoscopic band ligation versus endoscopic hemoclip placement for bleeding due to Dieulafoy lesions in the upper gastrointestinal tract
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