Article
The familial phenotype of obsessive-compulsive disorder in relation to tic disorders: the Hopkins OCD family study.
Biological psychiatry - 15 Oct 2001
Grados M A, Riddle M A, Samuels J F, Liang K Y, Hoehn-Saric R, Bienvenu O J, Walkup J T, Song D, Nestadt G
Abstract excerpt
BACKGROUND: Obsessive-compulsive disorder (OCD) and tic disorders have phenomenological and familial-genetic overlaps. An OCD family study sample that excludes Tourette's syndrome in probands is used to examine whether tic disorders are part of the familial phenotype of OCD. METHODS: Eighty case and 73 control probands and their first-degree relatives were examined by experienced clinicians using the Schedule for...
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