Gupta, S., A. Gupta, M. Nehal, K. Pandey, A. Kreesna, T. Shakir, J. Chaudhary, P. Puneet, and K. Sangeeta. “Cataract and Its Risk Factor Among Adults Residing in South Bihar, India”. International Journal of Research in Medical Sciences, vol. 8, no. 7, June 2020, pp. 2618-21, doi:10.18203/2320-6012.ijrms20202905.