TY JOUR TI Duration of untreated psychosis as a predictor of therapeutic response and long-term prognosis of schizophrenic spectrum disorders KW duration of untreated psychosis KW schizophrenia KW early intervention KW schizophrenic spectrum disorders KW first psychotic episode JO Modern Therapy in Psychiatry and Neurology Journal AU Chinarev, V.A. PY 2025 IS 2025 PB Publishing house "Logos Press"