超声内镜在经口内镜下肌切开术治疗贲门失弛缓症中的应用价值
초성내경재경구내경하기절개술치료분문실이완증중적응용개치
The application value of endoscopic ultrasonography examination before esophageal achalasia treated by peroral endoscopic myotomy
저자의 최근 논문