8Sobsey MD, Handzel T, Venczel L. Chorination and safe storage of household drinking water in developing countries to reduce waterborne disease[J]. Water Science and Technology, 2003, 47: 221-228.
9Fewtrell L, Colford JM Jr. Water, sanitation and hygiene: interventions and diarrhoea: a systematic review and meta-analysis [ M ]. Washington DC: the International Bank for Reconstruction and Development/the World Bank, 2004: 20133.
