title: Copy number variation: the new genetic frontier.  A new theory about why psychiatric disorders are so heterogeneous.
mesh_terms: D000328:Adult; D001321:Autistic Disorder / Q000235:genetics*; D002648:Child; D004200:Diseases in Twins / Q000235:genetics; D018628:Gene Dosage / Q000235:genetics*; D020022:Genetic Predisposition to Disease; D036281:Genetic Research; D006801:Humans; D012559:Schizophrenia / Q000235:genetics*