WARCHOŁ, M. COPD in Poland – risk factor and epidemiology. Journal of Education, Health and Sport, [S. l.], v. 8, n. 9, p. 1175–1181, 2018. Disponível em: https://apcz.umk.pl/JEHS/article/view/6035. Acesso em: 15 apr. 2024.