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World Health Organization[Calcium and magnesium in drinking water : public health significance, Calcium and magnesium in drinking water : beneficial impacts on health]

World Health Organization[Hardness in drinking-water : background document for development of WHO guidelines for drinking-water quality]

World Health Organization[Potassium in drinking-water : background document for development of WHO guidelines for drinking-water quality]

World Health Organization[Bromide in drinking-water : background document for development of WHO guidelines for drinking-water quality]

World Health Organization[Boron in drinking-water : background document for development of WHO guidelines for drinking-water quality]

World Health OrganizationCandau, Marcolino Gomes[The work of WHO, 1962: annual report of the Director-General to the World Health Assembly and to the United Nations]

World Health Organization[Potassium in drinking-water : background document for development of WHO guidelines for drinking-water quality]

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