PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Suitable imaging agents include commercially available agents used in such techniques as positron emission tomography (PET), computer assisted tomography (CAT), single photon emission computerized tomography, x-ray, fluoroscopy, magnetic resonance imaging (MRI), and the like.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com.au