RT Journal Article SR Electronic T1 British Paediatric Association JF Archives of Disease in Childhood JO Arch Dis Child FD BMJ Publishing Group Ltd and Royal College of Paediatrics and Child Health SP 284 OP 288 DO 10.1136/adc.13.75.284 VO 13 IS 75 YR 1938 UL http://adc.bmj.com/content/13/75/284.abstract AB