About: http://webisa.webdatacommons.org/132302857

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	They responded to questions about their use, abuse and dependence on 10 substances, such as alcohol, marijuana, cocaine, and pain medications.
http://www.w3.org/ns/prov#wasQuotedFrom	phys.org