[Mass murder of mentally ill at Warka].
D005065:Euthanasia / Q000266:history*; D005858:Germany; D049673:History, 20th Century; D006801:Humans; D001523:Mental Disorders / Q000266:history*; D011044:Poland; D014858:War Crimes / Q000266:history*
Wymordowanie chorych psychicznie w Warcie.