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2. S424 Prospective Evaluation of Symptom Correlation for Gastroesophageal Reflux Disease by Ambulatory Wireless pH Monitoring After Per-Oral Endoscopic Myotomy. (October 2021)

3. S969 Prospective Comparison of Functional Lumen Imaging Probe and High Resolution Esophageal Manometry to Assess Clinical Response After Per-Oral Endoscopic Myotomy. (October 2021)