Absence of a subgroup of chronic schizophrenia in monozygotic twins. Consequences for considerations on the pathogenesis of schizophrenic psychoses

@article{Pfuhlmann1999AbsenceOA,
  title={Absence of a subgroup of chronic schizophrenia in monozygotic twins. Consequences for considerations on the pathogenesis of schizophrenic psychoses},
  author={Bruno Pfuhlmann and Ernst Franzek and Helmut Beckmann},
  journal={European Archives of Psychiatry and Clinical Neuroscience},
  year={1999},
  volume={249},
  pages={50-54}
}
In the region of Lower Franconia, Germany, all twins born after 1930 and hospitalized for a schizophrenia spectrum psychosis were ascertained in a systematic twin study comprising 22 monozygotic (MZ) and 25 dizygotic (DZ) pairs. One aim of the study was to compare concordance rates between MZ and DZ pairs with regard to various diagnostic classifications… CONTINUE READING