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Gurpegui M, Aguilar MC, Martínez-Ortega JM, Diaz FJ, de Leon J.Gurpegui M, et al.Schizophr Bull. 2004;30(4):935-45. doi: 10.1093/oxfordjournals.schbul.a007143.Schizophr Bull. 2004.PMID: 15954199