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<http://webisa.webdatacommons.org/299694691>	<http://www.w3.org/ns/prov#value>	"Retinoids, such as vitamin A, regulate epithelial cell differentiation and keratin" .
<http://webisa.webdatacommons.org/299694691>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<virologyj.com> .
<http://webisa.webdatacommons.org/prov/472386484>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/299694691> .