KAPKA-SKRZYPCZAK, Lucyna; CYRANKA, Małgorzata; WOJTYŁA, Andrzej. Legal highs as an urgent issue of public health. Polish Journal of Public Health, Lublin, Poland, v. 112, n. 2, p. 174–180, 2011. Disponível em: https://czasopisma.umlub.pl/pjph/article/view/1952. Acesso em: 3 aug. 2025.