title: Beyond principal-component analysis of the positive and negative syndrome scale in patients with schizophrenia.
authors.forename: Leonard
authors.initials: L
authors.lastname: White
authors.forename: Lewis A
authors.initials: LA
authors.lastname: Opler
mesh_terms: D000339:Affect; D005163:Factor Analysis, Statistical; D006801:Humans; D012559:Schizophrenia / Q000175:diagnosis*