内镜直视下气囊扩张联合A型肉毒毒素注射治疗贲门失弛缓症32例分析
내경직시하기낭확장연합A형육독독소주사치료분문실이완증32례분석
The analysis of direct endoscopic pneumatic dilation and botulinum toxin A injection for the cardiac achalasia in 32 cases
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