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Negative symptoms in individuals at clinical high risk of psychosis.
Piskulic D, Addington J, Cadenhead KS, Cannon TD, Cornblatt BA, Heinssen R, Perkins DO, Seidman LJ, Tsuang MT, Walker EF, Woods SW, McGlashan TH. Piskulic D, et al. Psychiatry Res. 2012 Apr 30;196(2-3):220-4. doi: 10.1016/j.psychres.2012.02.018. Epub 2012 Mar 22. Psychiatry Res. 2012. PMID: 22445704 Free PMC article.