About: http://webisa.webdatacommons.org/133336552

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Everyone, but especially professional athletes who work at night, should monitor serum 25-hydroxyvitamin D levels and get sun exposure or D3 supplements at mid-day to achieve 40 ng/ml.
http://www.w3.org/ns/prov#wasQuotedFrom	perfecthealthdiet.com