PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Ordinarily, the narrow zone between the two membranes contains only a tiny amount of fluid, which lubricates the lungs.In most cases, particularly in Streptococcus pneumoniae, the fluid remains sterile (no bacteria are present), but occasionally it can become infected and even filled with pus, a condition called empyema.
http://www.w3.org/ns/prov#wasQuotedFrom
  • umm.edu