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Article

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

Journal of affective disorders - 1 Aug 2004

Kläning Ulla, Laursen Thomas Munk, Licht Rasmus W, Kyvik Kirsten Ohm, Skytthe Axel, Mortensen Preben Bo

Abstract excerpt

BACKGROUND: A previous study demonstrated a higher rate of schizophrenia in dizygotic twins than in the general population, and a higher rate of schizophrenia in siblings of dizygotic twins than in siblings of monozygotic twins and singletons, pointing to a common genetic predisposition for dizygotic twinning and schizophrenia. The aim of the present study was to investigate whether these findings also apply to...

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PMID: 15306139
DOI: 10.1016/S0165-0327(03)00167-8

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-08.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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