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Article

Heritability of bipolar spectrum disorders. Unity or heterogeneity?

Journal of affective disorders - 1 Mar 2008

Edvardsen Jack, Torgersen Svenn, Røysamb Espen, Lygren Sissel, Skre Ingunn, Onstad Sidsel, Oien Per Anders

Abstract excerpt

BACKGROUND: The purpose of this study was to investigate whether the three disorders in the bipolar spectrum, Bipolar I disorder, Bipolar II disorder and Cyclothymia, are various expressions of an underlying genetic commonality. METHOD: A sample consisting of same-sexed mono (MZ)- and dizygotic (DZ) twins were identified using hospital and outpatient registers (N=303). DSM-III-R criteria were assessed by personal...

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Identifiers

PMID: 17692389
DOI: 10.1016/j.jad.2007.07.001

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 6 Sept 2026. Manifest publication-graph-cohort-2026-09-06.1.

Source receipt: pubmed, retrieved 6 Sept 2026.

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