Correlation between the personal and social performance scale (PSP) and the positive and negative syndrome scale (PANSS) in a Greek sample of patients with schizophrenia - Jelastopulu, Eleni; Giourou, Evangelia; Merekoulias, Giorgos; Mestousi, Angeliki; Moratis, Eleftherios; Alexopoulos, Evangelos C (2017)