Copy Number Variation Screen Identifies a Rare De Novo Deletion at Chromosome 15q13.1-13.3 in a Child with Language Impairment. oleh Kerry A Pettigrew, Emily Reeves, Ruth Leavett, Marianna E Hayiou-Thomas, Anahita Sharma, Nuala H Simpson, Angela Martinelli, Paul Thompson, Charles Hulme, Margaret J Snowling, Dianne F Newbury, Silvia Paracchini