The relationship between depression and overall, general psychopathology, positive, and negative symptoms in people with schizophrenia spectrum disorders: a cross-sectional study oleh F. Bartoli, A. Calabrese, F. Moretti, M. Castiglioni, L. Prestifilippo, A. De Pietra, M. Gazzola, P. Camera, C. Crocamo, G. Carrà