PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The precordial leads, V1 to V6, are also unipolar leads but instead of recording between limbs they are placed directly on the chest so the sensing electrode is sensing the heart from a very close and particular angle.
http://www.w3.org/ns/prov#wasQuotedFrom
  • emergsource.com