Vagholkar, K., A. Pawanarkar, M. Iyengar, and S. Vagholkar. “Chronic Salmonella Typhi Carrier State: A Precursor to Gall Bladder Cancer”. International Surgery Journal, vol. 3, no. 2, Dec. 2016, pp. 464-7, doi:10.18203/2349-2902.isj20160734.