Kowal-Popczak, Agnieszka, Kamila Podiasek-Bosak, and Janusz Perzyński. “Persistent Hallucinational-Delusional Psychosis of Exogenous Aetiology or Schizophrenia? - Case Study”. Current Problems of Psychiatry 16, no. 3 (October 13, 2015): 173–180. Accessed September 6, 2025. https://czasopisma.umlub.pl/cpp/article/view/2051.