About: http://webisa.webdatacommons.org/169519693

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	Medical Radiation: The greatest source of man-made radiation is from medical procedures, such as X-rays, CT scans, nuclear medicine and radiation therapy.
http://www.w3.org/ns/prov#wasQuotedFrom	radiationcalculator.com