6Scallan E,Majowicz SE,Hall G,et al.Prevalence of diarrhoea in the community in Australia,Canada,Ireland,and the United States.Int J Epiderniol,2005,34(2):454-460.
7Egorov AI,Naumova EN,Teresehenko AA,et al.Daily variations in effluant water turbidity and diarrhoeal illness in a Russian city.Int J Environ Health Res,2003,13(1):81-94.
8Victora CG,Bryce J,Fontaine O,et al.Reducing deaths from diarrhoea through oral rehydration therapy.Bull WHO,2000,78(10):1246-1255.