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Cannabis use and age at onset of symptoms in subjects at clinical high risk for psychosis.
Dragt S, Nieman DH, Schultze-Lutter F, van der Meer F, Becker H, de Haan L, Dingemans PM, Birchwood M, Patterson P, Salokangas RK, Heinimaa M, Heinz A, Juckel G, Graf von Reventlow H, French P, Stevens H, Ruhrmann S, Klosterkötter J, Linszen DH; EPOS group. Dragt S, et al. Acta Psychiatr Scand. 2012 Jan;125(1):45-53. doi: 10.1111/j.1600-0447.2011.01763.x. Epub 2011 Aug 29. Acta Psychiatr Scand. 2012. PMID: 21883099
Development of a stage-dependent prognostic model to predict psychosis in ultra-high-risk patients seeking treatment for co-morbid psychiatric disorders.
Ising HK, Ruhrmann S, Burger NA, Rietdijk J, Dragt S, Klaassen RM, van den Berg DP, Nieman DH, Boonstra N, Linszen DH, Wunderink L, Smit F, Veling W, van der Gaag M. Ising HK, et al. Among authors: dragt s. Psychol Med. 2016 Jul;46(9):1839-51. doi: 10.1017/S0033291716000325. Epub 2016 Mar 16. Psychol Med. 2016. PMID: 26979398 Clinical Trial.
A single blind randomized controlled trial of cognitive behavioural therapy in a help-seeking population with an At Risk Mental State for psychosis: the Dutch Early Detection and Intervention Evaluation (EDIE-NL) trial.
Rietdijk J, Dragt S, Klaassen R, Ising H, Nieman D, Wunderink L, Delespaul P, Cuijpers P, Linszen D, van der Gaag M. Rietdijk J, et al. Among authors: dragt s. Trials. 2010 Mar 22;11:30. doi: 10.1186/1745-6215-11-30. Trials. 2010. PMID: 20307268 Free PMC article. Clinical Trial.
The validity of the 16-item version of the Prodromal Questionnaire (PQ-16) to screen for ultra high risk of developing psychosis in the general help-seeking population.
Ising HK, Veling W, Loewy RL, Rietveld MW, Rietdijk J, Dragt S, Klaassen RM, Nieman DH, Wunderink L, Linszen DH, van der Gaag M. Ising HK, et al. Among authors: dragt s. Schizophr Bull. 2012 Nov;38(6):1288-96. doi: 10.1093/schbul/sbs068. Epub 2012 Apr 19. Schizophr Bull. 2012. PMID: 22516147 Free PMC article.
19 results