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rdfhttp://www.w3.org/1999/02/22-rdf-syntax-ns#
provhttp://www.w3.org/ns/prov#
n5eurekalert.
xsdhhttp://www.w3.org/2001/XMLSchema#
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isap:70207103
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Standardized assessments for the use, abuse and dependence on tobacco, alcohol, marijuana or other drugs were conducted 5 years after initial study enrollment.
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n5:org
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