<http://webisa.webdatacommons.org/prov/71716368>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/264015489> .
<http://webisa.webdatacommons.org/264015489>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<va.gov> .
<http://webisa.webdatacommons.org/264015489>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/354545362>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/264015489> .
<http://webisa.webdatacommons.org/264015489>	<http://www.w3.org/ns/prov#value>	"Drugs such as codeine or hydrocodone are replaced with more potent opioids (usually morphine, hydromorphone, methadone, fentanyl, or levarphanol)." .