PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • JONES SD, KOH WH, STEINER A, GARRETT SL, CALIN A: Fatigue in ankylosing spondyli-tis: its prevalence and relationship to disease activity, sleep, and other factors.
http://www.w3.org/ns/prov#wasQuotedFrom
  • researchgate.net