The frequency of associations between positive and negative symptoms and dysphoria in schizophrenia
Lysaker P, Bell M, Bioty S, Zito W. The frequency of associations between positive and negative symptoms and dysphoria in schizophrenia. Comprehensive Psychiatry 1995, 36: 113-117. PMID: 7758296, DOI: 10.1016/s0010-440x(95)90105-1.Peer-Reviewed Original Research