Malczewski A, Kidawa M, Dalmata M. Has the COVID-19 pandemic changed substance use patterns, drug market and drug response in Poland?. JGPS [Internet]. 2022 May 27 [cited 2024 May 5];12(1):42–58. Available from: https://czasopisma.bg.ug.edu.pl/index.php/JGPS/article/view/6990