The British Journal of Psychiatry · 2001 · 71 citations · 15 references
Community-oriented psychiatric services might only delay, rather than prevent, admission of patients with predominantly negative symptoms and a longer duration of untreated illness. First-episode studies based upon first admissions are likely to be subject to selection biases, which may limit their representativeness.
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Jean Endicott · Archives of General Psychiatry · 1976 · 5K citations
Negative Symptoms in Schizophrenia
Nancy C. Andreasen · Archives of General Psychiatry · 1982 · 2.2K citations
Prevalence of substance misuse in first-episode psychosis
Roch Cantwell, John Brewin, Cris Glazebrook et al. · The British Journal of Psychiatry · 1999 · 235 citations
M. Muijen, I. M. Marks, J. Connolly et al. · BMJ · 1992 · 220 citations · Full text