Podda A, Saul AJ, Arora R, Bhutta Z, Sinha A, Gaind R, Singhal T, Saha S, Brooks A, Martin LB, Amdekar Y, Chitkara AJ, Shieh M, Kapur AN, Chugh TD (2010) Conjugate vaccines for enteric fever: proceedings of a meeting organized in New Delhi, India in 2009. J Infect Dev Ctries 4:404–411. doi: 10.3855/jidc.1048