About: http://webisa.webdatacommons.org/456172170

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	About 50 million people suffer from chronic pain in the United States, and opioids are the most powerful medications available for most types of pain.
http://www.w3.org/ns/prov#wasQuotedFrom	drugabuse.gov