1. A guide for public health physicians and environmental health officers in England and Wales;The prevention of human transmission of gastrointestinal infections, infestations, and bacterial intoxications.;Commun Dis Rep,1995
2. Enteric fever in Scotland 1975-1990;Braddick;Public Health,1993
3. Typhoid fever in Singapore: A review of 370 cases;Yew;J Trop Med Hyg,1991
4. Typhoid fever review, Enga Province, from 1986 to 1991;Larsen;PNG Med J,1995