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Continue to ChatIs Per-oral Endoscopic Myotomy (POEM) More Effective than Pneumatic Dilation and Heller myotomy? A Systematic Review and Meta-Analysis https://www.sages.org/publications/guidelines/is-per-oral-endoscopic-myotomy-poem-more-effective-than-pneumatic-dilation-and-heller-myotomy-a-systematic-review-and-meta-analysis/