PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Pertussis caused thousands of deaths in the 1930s and 1940s, but with the advent of a vaccine, the rate of death has declined dramatically.Pneumatic otoscope - an instrument that blows a puff of air into the ear to test eardrum movement.Poliomyelitis - a highly contagious infectious disease caused by various types of poliovirus.
http://www.w3.org/ns/prov#wasQuotedFrom
  • novanthealth.org