1. The global burden of typhoid fever;Crump;Bull World Health Organ,2004
2. Typhoid and paratyphoid fevers;Anonymous;OPCS Monitor,1985
3. Laboratory-based surveillance of Salmonella serotype Typhi infections in the United States: antimicrobial resistance on the increase;Ackers;JAMA,2000
4. Multiresistant Salmonella typhi — a world-wide epidemic;Rowe;Clin Infect Dis,1997
5. Multidrug-resistant Salmonella typhi in India;Prakash;APUA Newslett,1992