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<http://webisa.webdatacommons.org/374853099>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<naturesalternatives.com> .
<http://webisa.webdatacommons.org/374853099>	<http://www.w3.org/ns/prov#value>	"Vitamin A is an essential nutrient, which is required for both normal and night vision, and maintaining healthy skin and mucous membranes." .
<http://webisa.webdatacommons.org/prov/472243786>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/374853099> .