About: http://webisa.webdatacommons.org/327015812

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	What to do: The reaction of sunlight on your skin is the key source of vitamin D. Only a few foods contain vitamin D, including egg yolks, salmon, some mushrooms, and vitamin D-fortified foods, Dr. Holick says.
http://www.w3.org/ns/prov#wasQuotedFrom	lifescript.com