title: [Attitudes and heroic actions in concentration camps].
mesh_terms: D000533:Altruism; D003209:Concentration Camps; D005858:Germany; D049673:History, 20th Century; D006801:Humans; D011044:Poland; D011329:Prisoners / Q000523:psychology*; D011330:Prisons; D014857:Warfare
vernacular_title: Postawy i czyny heroiczne w obozach koncentracyjnych.