About: http://webisa.webdatacommons.org/156588080

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	Respondents were asked if they ever or in the past year used sedatives, tranquilizers, pain killers, stimulants, marijuana, cocaine, hallucinogens, inhalants, heroin or other medicines.
http://www.w3.org/ns/prov#wasQuotedFrom	nel.gov