PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • According to Dr Van der Pols, ???Green leafy vegetables are a good source of folic acid, vitamins A, C and E, the carotenoids, lutein and zeaxanthin and other components which may help to boost the skin's natural defense against the damage caused by the UV rays???.
http://www.w3.org/ns/prov#wasQuotedFrom
  • bio-medicine.org