CHYLAK, K. Private health insurance in the Second Polish Republic. The activity of the Mutual Sickness Insurance Society in Warsaw (1935‒1939). Journal of Humanities and Social Sciences, [S. l.], v. 38, n. 1, p. 45–61, 2026. DOI: 10.15584/johass.2026.1.3. Disponível em: https://journals.ur.edu.pl/jhss/article/view/13577. Acesso em: 12 nov. 2026.