TY - RPRT TI - Serum interferon in first psychotic attack. AU - D Becker AU - E Kritschmann AU - S Floru AU - Y Shlomo-David AU - T Gotlieb-Stematsky PY - 1990 DO - 10.1192/bjp.157.1.136 UR - https://pubmed.ncbi.nlm.nih.gov/1697774/ ID - 1697774 ER -