TY - JOUR T1 - CORRECTION JF - Archives of disease in childhood - Education & practice edition JO - Arch Dis Child Educ Pract Ed SP - ep104 LP - ep104 DO - 10.1136/adc.2004.069203corr VL - 90 IS - 4 A2 - , Y1 - 2005/12/01 UR - http://ep.bmj.com/content/90/4/ep104.abstract N2 - Cambell DI, Ognjanovic M, Smith H, Clarke J, Watson S, Court S. Ioning … ER -