PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Melatonin is a hormone secreted by the pineal gland in the brain, which helps neutralise free radicals in the body.
http://www.w3.org/ns/prov#wasQuotedFrom
  • medicalxpress.com