Aponte, Raúl, Nefertiti Daulabani, Rosargelis Parra, and Luis Pérez-Ybarra. “Long COVID-19 and Achalasia: A Possible Relationship?”. International Journal Of Community Medicine And Public Health 9, no. 6 (May 27, 2022): 2696–2700. Accessed November 27, 2025. https://www.ijcmph.com/index.php/ijcmph/article/view/9742.