RT Journal Article SR Electronic T1 USE YOUR EARS 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 ep9 OP ep14 DO 10.1136/adc.2003.044479 VO 89 IS 1 A1 B A M O’Hare A1 A Kader A1 C V E Powell YR 2004 UL http://ep.bmj.com/content/89/1/ep9.abstract AB