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<http://webisa.webdatacommons.org/prov/299447376>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/450341905> .
<http://webisa.webdatacommons.org/450341905>	<http://www.w3.org/ns/prov#value>	"Tippetts M - - 2012 Vitamin D is an essential vitamin that is synthesized when the body is exposed to sunlight or after the consumption of fortified foods and supplements." .
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