Sánchez Terán AI, Naranjo Pardo C, Varela Barraza O, Prado Salcedo T, Macías Grajeda M. Clinical Variations Between Different Forms of Achalasia. ijirms [Internet]. 2023 Jul. 17 [cited 2024 May 19];8(07):254-8. Available from: https://www.ijirms.in/index.php/ijirms/article/view/1715