| http://www.w3.org/ns/prov#value | - Daily Express: A health product solution feature notes one in four children are lacking in vitamin D. And in the Daily Mail and Dailymail.co.uk: A feature on vitamin D notes deficiencies have been linked to conditions such as colds, heart disease, diabetes and cancer and highlights recent government advice underlining the importance of supplementation among vulnerable groups such as children, preg
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