PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Subject has a history of schizophrenia, schizoaffective disorder, or other psychotic disorder, active substance abuse or dependence (with the exception to caffeine and nicotine abuse) or a current major depressive episode that includes psychotic features (commonly referred to as psychotic depression) according to the DSM IV criteria.
http://www.w3.org/ns/prov#wasQuotedFrom
  • clinicaltrials.gov