PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The significant association of a mean dose of methadone higher than that recommended with all cause mortality could be attributed to factors other than use of a higher dose of methadone in itself???for instance, it could be a marker for more chaotic drug using behaviour or dispersion of methadone.
http://www.w3.org/ns/prov#wasQuotedFrom
  • nih.gov