@prefix dcterms: <http://purl.org/dc/terms/> .
@prefix ns1: <http://purl.org/spar/datacite/> .
@prefix ns2: <http://purl.org/vocab/frbr/core#> .
@prefix ns3: <http://purl.org/spar/pro/> .
@prefix ns4: <http://prismstandard.org/namespaces/basic/2.0/> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

<> dcterms:license <https://creativecommons.org/publicdomain/zero/1.0/legalcode> .

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    dcterms:title "Does Cannabis Use Predict Poor Outcome For Heroin-Dependent Patients On Maintenance Treatment? Past Findings And More Evidence Against" ;
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