RT Journal Article SR Electronic T1 Dr Whitfield and co-workers comment JF Archives of Disease in Childhood JO Arch Dis Child FD BMJ Publishing Group Ltd and Royal College of Paediatrics and Child Health SP 811 OP 811 DO 10.1136/adc.57.10.811 VO 57 IS 10 YR 1982 UL http://adc.bmj.com/content/57/10/811.1.abstract AB