1. Typhoid fever – important issues still remain;Pang;Trends Microbiol.,1998
2. Typhoid and paratyphoid fevers;Christie,1987
3. Typhoid Fever;Richens,2000
4. Typhoid in the highlands of Papua New Guinea 1984–1990: a hospital-based perspective;Richens;P.N.G. Med. J.,1995
5. Enteric infections: typhoid and paratyphoid;Parker,1990