@book{529256,
	author = {Ainscough, T.S. and et al.},
	title = {Contingency management interventions for non-prescribed drug use during treatment for opiate addiction: a systematic review and meta-analysis},
	url = {\\Srvdatos\siis\docus\Revistas electrónicas\Drug and Alcohol Dependence R.854\2017\Contingency management interventions.pdf}
}