Huh JY, Park MI, Park SJ, Moon W, Kim HH. Variant achalasia, the hole of the original classification. Turkish Journal of Gastroenterology [Internet]. 2015 Jan. 2 [cited 2026 Jan. 1];26(2):95-8. Available from: https://turkjgastroenterol.org/index.php/tjg/article/view/2700