About: http://webisa.webdatacommons.org/137853680

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	This model has generated significant controversy over the years, mostly relating to whether prior drug exposure (to nicotine, alcohol or marijuana) is causally related to later drug use.
http://www.w3.org/ns/prov#wasQuotedFrom	bio-medicine.org