About: http://webisa.webdatacommons.org/218190460

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	The study contains questions dealing with many types of drugs such as tobacco, alcohol, marijuana, and other substances.
http://www.w3.org/ns/prov#wasQuotedFrom	umich.edu