Yalagachin, G., A. D. Hiregoudar, A. Bagur, and A. Choudhari. “A Rare Case of Double Gall Bladder: A Case Report and Review of Literature”. International Surgery Journal, vol. 8, no. 11, Oct. 2021, pp. 3488-91, doi:10.18203/2349-2902.isj20214401.