RT Journal Article SR Electronic T1 Atoms JF Archives of Disease in Childhood JO Arch Dis Child FD BMJ Publishing Group Ltd and Royal College of Paediatrics and Child Health SP 95 OP 95 VO 91 IS 2 A1 Howard Bauchner YR 2006 UL http://adc.bmj.com/content/91/2/95.2.abstract AB