RT Journal Article SR Electronic T1 Use of hearing aids in infancy. JF Archives of Disease in Childhood JO Arch Dis Child FD BMJ Publishing Group Ltd and Royal College of Paediatrics and Child Health SP 919 OP 920 DO 10.1136/adc.65.9.919 VO 65 IS 9 A1 S Wood A1 B McCormick YR 1990 UL http://adc.bmj.com/content/65/9/919.abstract AB