About: http://webisa.webdatacommons.org/199391961

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	Contingecy management programmes, i.e. interventions that encourage people to stay in treatment by giving something in exchange such as vouchers, food or other privileges, can help improve the social conditions of drug users.
http://www.w3.org/ns/prov#wasQuotedFrom	europa.eu