About: http://webisa.webdatacommons.org/220148340

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	From a natural perspective we get it from the sun, radon gas is radiation, water, and the human body is a source of some as well.
http://www.w3.org/ns/prov#wasQuotedFrom	immunesystemetc.com