Cannabis and cognitive performance in psychosis: a cross-sectional study in patients with non-affective psychotic illness and their unaffected siblings

Genetic Risk and Outcome of Psychosis (GROUP) Investigators, Jim van Os, Lydia Krabbendam, I. Myin-Germeys

Research output: Contribution to journalArticleAcademicpeer-review

26 Citations (Web of Science)
Original languageEnglish
Pages (from-to)705-716
JournalPsychological Medicine
Issue number4
Publication statusPublished - Apr 2012


  • Genetic high risk
  • marijuana
  • neuropsychology
  • relatives
  • schizophrenia
  • Delta(9)-tetrahydrocannabinol

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