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Article

Obsessive-compulsive disorder, tics and anxiety in 6-year-old twins.

Psychological medicine - 1 Jan 2007

Bolton Derek, Rijsdijk Frühling, O'Connor Thomas G, Perrin Sean, Eley Thalia C

Abstract excerpt

BACKGROUND: Previous reports of genetic influences on obsessive-compulsive disorder (OCD) symptoms have suggested moderate heritability. Family history studies of co-morbidity have found familial aggregation with tics, especially for early-onset OCD, and familial aggregation with anxiety disorders. METHOD: Heritability of OCD and familial aggregation of OCD, tics and anxiety disorders were investigated in a...

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Identifiers

PMID: 16999878
DOI: 10.1017/S0033291706008816

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-07.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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