GamblingHeroin DependenceImpulse Control DisordersBehavior, AddictiveMethadoneOpiumHeroinOpioid-Related DisordersImpulsive BehaviorSubstance-Related DisordersNarcoticsCocaine-Related DisordersRewardCompulsive BehaviorSubstance Withdrawal SyndromeBuprenorphineDecision MakingMotivationCommodificationDrug UsersAlcoholicsCocaineAvitaminosisBankruptcyAlcoholismBarbituratesChoice BehaviorCyclizineRationalizationCuesDiagnosis, Dual (Psychiatry)Rejection (Psychology)Diagnostic and Statistical Manual of Mental DisordersOpiate Substitution TreatmentCommunity Mental Health CentersCrimeBosnia-HerzegovinaRisk-TakingNeuropsychological TestsMethadyl AcetateNarcotic AntagonistsDesensitization, Psychologic