PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • But by 2008, researchers had clearly established that the body itself produces H2S and uses it as a signaling molecule to help regulate physiological processes in the brain, heart and other organs.
http://www.w3.org/ns/prov#wasQuotedFrom
  • eurekalert.org