1. Burton, J and Gunnison, G and Lanza, G. (1987) Survival of pathogenic bacteria in various freshwater sediments Appl Environ Microbiol, 53, pp. 633 - 638. [PUBMED][INFOTRIEVE][CSA]
2. Centers for Disease Control and Prevention (CDC).(2003a) Division of Bacterial and Mycotic Diseases. Disease Information: Salmonellosis. Available at: http://www.cdc.gov/ncidod/dbmd/diseaseinfo/salmonellosis_g.htm
3. Centers for Disease Control and Prevention (CDC).(2003b) Division of Bacterial and Mycotic Diseases, Disease Information: Shigellosis. Available at: http://www.cdc.gov/ncidod/dbmd/diseaseinfo/shigellosis_g.htm
4. Centers for Disease Control and Prevention (CDC). (2004) Morbidity and Mortality Weekly Report Summary of Notifiable diseases, 2002, 51, pp. 1 - 84. Available at: http://www.cdc.gov/ mmwr/preview/mmwrhtml/mm5153a1.htm[CSA]
5. Cimino, J and Mamtani, R. (1987) Occupational hazards for New York City sanitation workers J Environ Health, 50, pp. 8 - 12.