RT Journal Article SR Electronic JF Archives of Disease in Childhood JO Arch Dis Child FD BMJ Publishing Group Ltd and Royal College of Paediatrics and Child Health DO 10.1136/adc.84.1.0 VO 84 IS 1 A1 HARVEY MARCOVITCH YR 2001 UL http://adc.bmj.com/content/84/1/0.abstract AB