11. Blaser, M. J., Smith, P. F., Cody, H. J., Wang, W. L., & LaForce, F. M. Killing of Fabric-associated Bacteria in  Hospital  Laundry  by  Low-temperature Washing. The Journal of Infectious Diseases, (1984)149(1). 48-57.

12. New South Wales Hospitals Planning Advisory Centre. Report on Research into Proposed Low Temperature Water Washing in Hospital Laundries in New South Wales. Sydney: Author. (1988).

13. Rice, R. G.. Century 21 – Pregnant with ozone. Ozone Science & Engineering, (2001) 24, 1-15.

14. Weavers, L. K., & Wickramanayake, G. B. Disinfection and sterilization using ozone. In: S. S. Block (Ed), Disinfection , Sterilization, and Preservation. (5th Ed) USA: Lippincott Williams & Wilkins. (2001) pp205-214

15. Barrie. Control of Hospital Infection. Laundry, Kitchen, Hygiene and Clinical Waste Disposal. (1994) pp239-243

16. Barros AJD, Ross DA et al. Preventing acute respiratory infections and diarrhea in child care centres. Acta Paediatr 1999; 88: 1113-8.

17. Centers for Disease Control and Prevention. A Handbook for Child Care Providers: Safe and Healthy Child Care, 1996.

18. Centers for Disease Control and Prevention. Guideline for Isolation Precautions: Preventing Transmission of Infectious Agents in Healthcare Settings, 2007.

19. Centers for Disease Control and Prevention. Preventing the Spread of Influenza (the Flu) in Child Care Settings: Guidance for Administrators, Care Providers, and Other Staff, 2006.

20. Centers for Disease Control and Prevention. Division of Bacterial and Mycotic Diseases:Shigellosis,2005.availablefrom: http://www.cdc.gov/ncidod/dbmd/diseaseinfo/shigellosis_g.htm

21. Health Protection Agency. Guidelines for the Control of Infection and Communicable   Disease in Nurseries and Other Institutional Early Years Settings in South West London Sector, 2005.