内镜下乳头小切开加球囊扩张(ESBD)术治疗胆总管较大结石的手术配合及护理
내경하유두소절개가구낭확장(ESBD)술치료담총관교대결석적수술배합급호리
Operation cooperation and nursing of ESBD for comparatively large bile duct stones
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