00297nam a2200097Ia 4500008004100000082002000041100003800061245006000099264003000159300001000189200526s9999||||xx |||||||||||||| ||und|| a617.804 2 STE J aStephens, Dafydd , Jones, Lesley 4aThe Effects of Genetic Hearing Impairment in the Family bJohn Wiley and Sonsc2006 a359p.