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APA Citation
Valmaggia, L. R., Stahl, D., Yung, A. R., Nelson, B., Fusar-Poli, P., McGorry, P. D., & McGuire, P. K. (2013). negative psychotic symptoms and impaired role functioning predict transition outcomes in the at-risk mental state: a latent class cluster analysis study. Psychological medicine, 43(11), 2311–2325. http://access.bl.uk/ark:/81055/vdc_100024973685.0x000020