title: Neuropsychological performance in the unaffected twin.
authors.forename: M F
authors.initials: MF
authors.lastname: Green
mesh_terms: D004200:Diseases in Twins / Q000175:diagnosis*; D006801:Humans; D009483:Neuropsychological Tests / Q000706:statistics & numerical data*; D012107:Research Design / Q000592:standards; D012559:Schizophrenia / Q000175:diagnosis* / Q000235:genetics; D014430:Twins, Monozygotic