腹腔镜食管下段贲门肌层切开联合Dor胃底折叠术治疗贲门失弛缓症
복강경식관하단분문기층절개연합Dor위저절첩술치료분문실이완증
Laparoscopic Heller Myotomy plus Dor Fundoplication for Achalasia
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