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Article

Familial associations of intense preoccupations, an empirical factor of the restricted, repetitive behaviors and interests domain of autism.

Journal of child psychology and psychiatry, and allied disciplines - 1 Aug 2009

Smith Christopher J, Lang Colleen M, Kryzak Lauren, Reichenberg Abraham, Hollander Eric, Silverman Jeremy M

Abstract excerpt

BACKGROUND: Clinical heterogeneity of autism likely hinders efforts to find genes associated with this complex psychiatric disorder. Some studies have produced promising results by restricting the sample according to the expression of specific familial factors or components of autism. Previous factor analyses of the restricted, repetitive behaviors and interest (RRBI) domain of autism have consistently identified...

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Identifiers

PMID: 19298470
DOI: 10.1111/j.1469-7610.2009.02060.x

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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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