PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Although folate deficiency and depression have long been thought to be related, this association has been addressed in relatively few epidemiological studies, and drawing conclusions from them is hampered by variation among them in the age group studied and the methods used to evaluate depression.
http://www.w3.org/ns/prov#wasQuotedFrom
  • usda.gov