Śpila, Bożena, Anna Urbańska, and Andrzej Czernikiewicz. 2010. “Cases of Patients With Treatment-Resistant Schizophrenia Treated With Clozapine and Sertindole”. Current Problems of Psychiatry 11 (1): 20-23. https://czasopisma.umlub.pl/cpp/article/view/2152.