Sreekumaran, R., Ramamoorthy, M., Annasamy, C., Immaneni, S., K, M., Karunakaran, P., … A., A. (2022). A Comparison of Achalasia Quality of Life Index and Eckardt Scores in Assessing Severity of Achalasia Cardia and Prognosis at 3 Months - A Single-Center Prospective Observational Study. International Journal of Innovative Research in Medical Science, 7(07), 328–334. https://doi.org/10.23958/ijirms/vol07-i07/1437