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<http://webisa.webdatacommons.org/17657709>	<http://www.w3.org/ns/prov#value>	"However, the opioid analgesics are quite effective against all types of pain, with broad-based action in the central nervous system." .
<http://webisa.webdatacommons.org/17657709>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/17657709>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/288171764>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/17657709> .