The association between pre-morbid adjustment, duration of untreated psychosis and outcome in first-episode psychosis.
Jeppesen P, Petersen L, Thorup A, Abel MB, Øhlenschlaeger J, Christensen TØ, Krarup G, Jørgensen P, Nordentoft M. Psychol Med. 2008 Aug; 38(8):1157-66. Epub 2008 Apr 30.