U. Singh, A. Neopane, M. Thapa, N. Aryal, and K. Agrawal, “Salmonella Typhi Infections and Effect of Fluroquinolones and Third Generation Cephalosporins in Clinical Outcome”, J. Nepal Paedtr. Soc., vol. 31, no. 3, pp. 216–221, Sep. 2011.