TY - JOUR T1 - Genes and language impairment JF - Archives of disease in childhood - Education & practice edition JO - Arch Dis Child Educ Pract Ed SP - 73 LP - 73 VL - 94 IS - 3 A2 - , Y1 - 2009/06/01 UR - http://ep.bmj.com/content/94/3/73.abstract N2 - Most children are speaking well by the age of 6 or 7 years. An important minority (around 5%), however, have unexplained difficulty with aspects of speech and language and are said to have specific language impairment. Genetic factors are known to be important: children with specific language impairment are four times as likely as other children to have a family history of the condition and … ER -