title: Genetic influences on learning disabilities: an update.
authors.forename: B F
authors.initials: BF
authors.lastname: Pennington
authors.forename: S D
authors.initials: SD
authors.lastname: Smith
mesh_terms: D004410:Dyslexia / Q000235:genetics; D006801:Humans; D007804:Language Development; D007859:Learning Disabilities / Q000235:genetics*; D010641:Phenotype; D011110:Polymorphism, Genetic; D005879:Tourette Syndrome / Q000235:genetics