Help-seeking pathways in early psychosis

The Positive and Negative Syndrome Scale (PANSS) for Schizophrenia

Stanley R. Kay, Abraham Fiszbein, Lewis A. Opler · Schizophrenia Bulletin · 1987 · 21K citations · Full text

Psychopathology, Psychiatry, Psychotic Disorder +11

Diagnosing Schizophrenia in the Initial Prodromal Phase

Joachim Klosterkötter, Martin Hellmich, E. M. Steinmeyer et al. · Archives of General Psychiatry · 2001 · 1.1K citations

Depression, negative symptoms, social stagnation and social decline in the early course of schizophrenia

Heinz Häfner, W. Löffler, Kathrin Maurer et al. · Acta Psychiatrica Scandinavica · 1999 · 425 citations

The Northwick Park Study of First Episodes of Schizophrenia

E.C. Johnstone, T.J. Crow, A. L. Johnson et al. · The British Journal of Psychiatry · 1986 · 380 citations

Family Medicine, Psychiatry, First Episodes +15

First onset and early symptomatology of schizophrenia

Heinz Häfner, Anita Riecher‐Rössler, Kurt Maurer et al. · European Archives of Psychiatry and Clinical Neuroscience · 1992 · 195 citations

First Onset, Psychopathology, Psychiatry +8