Palle, P., V. B. Mulpuri, K. Ramavath, G. Lavudya, and S. R. Kallem. “Esophageal Duplication Cyst in an Adult Masquerading As Hydatid Cyst”. International Surgery Journal, vol. 9, no. 4, Mar. 2022, pp. 923-5, doi:10.18203/2349-2902.isj20220963.