PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Subsequent studies have demonstrated that melatonin is also produced in other tissues such as retina, bone marrow, gastrointestinal tract, gonads and immune system [6???8].
http://www.w3.org/ns/prov#wasQuotedFrom
  • mdpi.com