| http://www.w3.org/ns/prov#value | - Substance use was collected and was defined as subjects who ever used any of the substances identified by name or corresponding street name: alcohol, cocaine, marijuana, heroin, lysergic acid diethylamide, phencyclidine, 3,4-methylenedioxy-N-methylamphetamine, inhalants, amphetamines, and or other hallucinogens (ie, mushrooms).
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