RT Journal Article SR Electronic T1 Genes and language impairment JF Archives of disease in childhood - Education & practice edition JO Arch Dis Child Educ Pract Ed FD BMJ Publishing Group Ltd and Royal College of Paediatrics and Child Health SP 73 OP 73 VO 94 IS 3 YR 2009 UL http://ep.bmj.com/content/94/3/73.abstract AB