Ordóñez Hernández, Samantha D., Andrés Sánchez Mercader, Jesús García-Chávez, and Francisco J. Ramírez Amezcua. “Association of Achalasia and Down Syndrome in an Adult Patient: A Case Report”. International Journal of Research in Medical Sciences 13, no. 12 (November 28, 2025): 5502–5505. Accessed February 2, 2026. https://www.msjonline.org/index.php/ijrms/article/view/16099.