1. Typhoid fever;Parry;N Engl J Med,2002
2. The global burden of typhoid fever;Crump;Bull World Health Organ,2004
3. A study of typhoid fever in five Asian countries: disease burden and implications for control;Ochiai;Bull WHO,2008
4. Typhoid fever and childhood vaccine strategies (Commentary);Griffin;Lancet,1998
5. Costs-of-illness of typhoid fever in Indian urban slum community: implications for vaccination policy;Bahl;J Health Popul Nutr,2004