KRZECZEWSKI, Bartłomiej. Are polish healthcare stocks defensive?. Acta Universitatis Lodziensis. Folia Oeconomica, Poland, v. 6, n. 326, p. [133]-145, 2017. DOI: 10.18778/0208-6018.326.09. Disponível em: https://czasopisma.uni.lodz.pl/foe/article/view/745. Acesso em: 26 aug. 2026.