ORDÓÑEZ HERNÁNDEZ, S. D.; SÁNCHEZ MERCADER, A.; GARCÍA-CHÁVEZ, J.; RAMÍREZ AMEZCUA, F. J. Association of achalasia and Down syndrome in an adult patient: a case report. International Journal of Research in Medical Sciences, [S. l.], v. 13, n. 12, p. 5502–5505, 2025. DOI: 10.18203/2320-6012.ijrms20253986. Disponível em: https://www.msjonline.org/index.php/ijrms/article/view/16099. Acesso em: 2 feb. 2026.