CK7、CK20对短节段Barrett食管与贲门部肠上皮化生的诊断价值探讨
CK7、CK20대단절단Barrett식관여분문부장상피화생적진단개치탐토
The Value of Cytokeratins 7 and 20 (CK7/20) Immunohistochemistry in the Distinction of Short-segment Barrett′s Esophagus from Cardia Intestinal Metaplasia
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