title: The problem of diagnostic criteria in the study of the paranoid subclassification of schizophrenia.
mesh_terms: D006801:Humans; D007406:Interview, Psychological; D008499:Medical Records; D008722:Methods; D011569:Psychiatric Status Rating Scales; D011581:Psychological Tests; D012107:Research Design; D012563:Schizophrenia, Paranoid / Q000175:diagnosis*; D012565:Schizophrenic Psychology; D006113:United Kingdom; D014481:United States; D014944:World Health Organization