RT Journal Article SR Electronic T1 Epistle: June 2011 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 81 OP 81 DO 10.1136/adc-2011-300215 VO 96 IS 3 A1 Ian Wacogne YR 2011 UL http://ep.bmj.com/content/96/3/81.abstract AB