Nath, G., Singh, Y. K., Kumar, K., Gulati, A. K., Shukla, V. K., Khanna, A. K., … Singh, T. B. (2008). Association of carcinoma of the gallbladder with typhoid carriage in a typhoid endemic area using nested PCR. The Journal of Infection in Developing Countries, 2(04), 302–307. https://doi.org/10.3855/jidc.226