
The Long-term Efficacy of Pneumatic Dilatation and Heller Myotomy for the Treatment of Achalasia
Keywords: بیماری ریفلاکس معده به مری; GERD; gastroesophageal reflux disease; HM; Heller myotomy; LES; lower esophageal sphincter; PD; pneumatic dilatation; PPI; proton pump inhibitor; TBE; timed barium esophagram;