TY - JOUR T1 - CORRECTION JF - Archives of Disease in Childhood JO - Arch Dis Child SP - 989 LP - 989 DO - 10.1136/adc.2003.032052corr1 VL - 90 IS - 9 A2 - , Y1 - 2005/09/01 UR - http://adc.bmj.com/content/90/9/989.2.abstract N2 - Kendrick D, Royal S. Cycle helmet ownership and use; a cluster randomised controlled trial in primary school children in deprived areas (Arch Dis Child … ER -