J. O. Johannessen

First-episode schizophrenia with long duration of untreated psychosis: Pathways to care

Tor Ketil Larsen, J. O. Johannessen, Stein Opjordsmoen · The British Journal of Psychiatry · 1998 · 209 citations

Medicine, Psychiatry, Adult Psychiatry +16

Early Detection of First-Episode Psychosis: The Effect on 1-Year Outcome

Tor Ketil Larsen, Ingrid Melle, B. Auestad et al. · Schizophrenia Bulletin · 2005 · 134 citations · Full text

Medicine, Psychiatry, Early Detection +13

Methodological pitfalls in early detection studies – the NAPE Lecture 2002

Svein Friis, Tor Ketil Larsen, Ingrid Melle et al. · Acta Psychiatrica Scandinavica · 2003 · 93 citations · Full text

Medicine, Behavioral Sciences, Psychiatry +12

Clinical epidemiologic first‐episode psychosis: 1‐year outcome and predictors

Erik Simonsen, Svein Friis, Ulrik Haahr et al. · Acta Psychiatrica Scandinavica · 2007 · 83 citations

Medicine, Psychiatry, Adult Psychiatry +16

Reducing the duration of untreated first‐episode psychosis – effects on baseline social functioning and quality of life

Ingrid Melle, Ulrik Haahr, Svein Friis et al. · Acta Psychiatrica Scandinavica · 2005 · 62 citations · Full text

Medicine, Psychiatry, Psychology +11