SANGLUTONG L, INSIRIPONG S, CHUMSUNGNERN T. Achalasia . Journal of The Department of Medical Services, [S. l.], v. 44, n. 5, p. 182–188, 2019. Disponível em: https://he02.tci-thaijo.org/index.php/JDMS/article/view/246674. Acesso em: 26 sep. 2022.