Svein Friis

Reducing the Duration of Untreated First-Episode Psychosis

Ingrid Melle, Tor Ketil Larsen, Ulrik Haahr et al. · Archives of General Psychiatry · 2004 · 439 citations

Neurocognitive Dysfunction in Bipolar and Schizophrenia Spectrum Disorders Depends on History of Psychosis Rather Than Diagnostic Group

Carmen Simonsen, Kjetil Sundet, Anja Vaskinn et al. · Schizophrenia Bulletin · 2009 · 311 citations

Long-Term Follow-Up of the TIPS Early Detection in Psychosis Study: Effects on 10-Year Outcome

Wenche ten Velden Hegelstad, Tor Ketil Larsen, Bjørn Auestad et al. · American Journal of Psychiatry · 2012 · 307 citations

Early detection strategies for untreated first-episode psychosis

Jan Olav Johannessen, Thomas H. McGlashan, Tor Ketil Larsen et al. · Schizophrenia Research · 2001 · 253 citations

Psychiatry, Psychotic Disorder, Diagnosis +7

Early Detection of the First Episode of Schizophrenia and Suicidal Behavior

Ingrid Melle, Jan Olav Johannesen, Svein Friis et al. · American Journal of Psychiatry · 2006 · 244 citations