Arnold, P, Bencsik, N, Elekes, Z. New substances — new patterns? Designer drug and classic drug use patterns in Hungary based on a European school survey, the ESPAD. egfejl [Internet]. 2021Dec.10 [cited 2024May19];62(4):13-0. Available from: https://ojs3.mtak.hu/index.php/egfejl/article/view/7004