Bhutani, J., V. Rengan, S. S. Lora, V. Pansari, and J. N. Sharma. “Achalasia Cardia in an Infant - Were We Too Late?”. International Journal of Contemporary Pediatrics, vol. 9, no. 11, Oct. 2022, pp. 1115-7, doi:10.18203/2349-3291.ijcp20222776.