Journal of Affective Disorders
Volume 81, Issue 2 , Pages 141-145 , August 2004

Is the risk of bipolar disorder in twins equal to the risk in singletons? A nationwide register-based study

  • Ulla Kläning

      Affiliations

    • Corresponding Author InformationCorresponding author. Tel.: +45-77893853; fax: +45-77893859.
    • Mood Disorder Research Unit of Clinical Psychiatric Research, Aarhus University Psychiatric Hospital, Skovagervej 2, 8240 Risskov, Denmark
  • ,
  • Thomas Munk Laursen

      Affiliations

    • The National Centre for Register-based Research, Aarhus University, Risskov, Denmark
  • ,
  • Rasmus W Licht

      Affiliations

    • Mood Disorder Research Unit of Clinical Psychiatric Research, Aarhus University Psychiatric Hospital, Skovagervej 2, 8240 Risskov, Denmark
  • ,
  • Kirsten Ohm Kyvik

      Affiliations

    • The Danish Twin Registry, Institute of Public Health, University of Southern Denmark, Denmark
  • ,
  • Axel Skytthe

      Affiliations

    • Danish Centre for Demographic Research and the Danish Twin Registry, University of Southern Denmark, Denmark
  • ,
  • Preben Bo Mortensen

      Affiliations

    • The National Centre for Register-based Research, Aarhus University, Risskov, Denmark

Received 20 September 2002 ,Revised 9 June 2003 ,Accepted 9 June 2003.

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PII: S0165-0327(03)00167-8

doi: 10.1016/S0165-0327(03)00167-8

Journal of Affective Disorders
Volume 81, Issue 2 , Pages 141-145 , August 2004