About: http://webisa.webdatacommons.org/44518932

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	Numerous studies in different countries confirm that having either a substance use problem or another mental disorder increases the probability of having both types of problems at the same time.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com