NOWAK, P. G. Reducing Organ Shortage. Active Donor Registration System as an Alternative to the Polish Opt-Out System (in Polish). Diametros, [S. l.], n. 44, p. 56–77, 2015. DOI: 10.13153/diam.44.2015.673. Disponível em: https://diametros.uj.edu.pl/diametros/article/view/673. Acesso em: 25 may. 2022.