Kowal-Popczak, A. ., Podiasek-Bosak, K. ., & PerzyƄski, J. . (2015). Persistent hallucinational-delusional psychosis of exogenous aetiology or schizophrenia? - case study. Current Problems of Psychiatry, 16(3), 173-180. https://czasopisma.umlub.pl/cpp/article/view/2051