RT Journal Article SR Electronic T1 Dr Sandhu 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 722 OP 722 DO 10.1136/adc.57.9.722-a VO 57 IS 9 YR 1982 UL http://adc.bmj.com/content/57/9/722.2.abstract AB