Čecho, Róbert Legislative Norms to Control Cannabis Use in the Light of Its Prevalence in Czech Republic, Poland, Slovakia, and Hungary. [electronic resource] - Central European journal of public health Dec 2017 - 261-265 p. digital Publication Type: Evaluation Study; Journal Article ISSN: 1210-7778 Standard No.: 10.21101/cejph.a5019 doi Subjects--Topical Terms: AdolescentCzech Republic--epidemiologyDrug and Narcotic Control--methodsEvaluation Studies as TopicHumansHungary--epidemiologyMarijuana Use--epidemiologyPoland--epidemiologyPrevalenceSlovakia--epidemiology