@Article{Wieczorek2018,
journal="Alcoholism and Drug Addiction/Alkoholizm i Narkomania",
issn="0867-4361",
volume="31",
number="1",
year="2018",
title="Changes in use and availability of cannabis among adolescents over last two decades. Situation in Poland and selected European countries",
author="Wieczorek, Łukasz
and Sierosławski, Janusz
and Dąbrowska, Katarzyna",
pages="49--64",
doi="10.5114/ain.2018.77943",
url="http://dx.doi.org/10.5114/ain.2018.77943"
}