Shah, Syed Mushtaq Ahmed, Tahir Saleem Khan, Ravi Kumar, Tajddin Wani, and Adil Shadab Indrabi. 2021. “Etiology and Chemical Composition of Gall Stone Disease: A Prospective Observational Study from the Developing World”. International Journal of Research in Medical Sciences 9 (4):989-93. https://doi.org/10.18203/2320-6012.ijrms20210997.