About: http://webisa.webdatacommons.org/95132133

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 point out (p. 679) that personality and lifestyle variables, as well as environmental factors such as availability and supply, also explain the transition from one drug to another and from one level of use to another.
http://www.w3.org/ns/prov#wasQuotedFrom	nap.edu