Pooshani, A., Frootan, M., Abdi, S., Jahani-Sherafat, S. and Kamani, F. 2017. The evaluation of functional results before and after laparoscopic Heller myotomy for achalasia: a single center experience. Gastroenterology and Hepatology from Bed to Bench. 10, Supplement 1 (Dec. 2017), S33-S37. DOI:https://doi.org/10.22037/ghfbb.v0i0.1214.