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 381 OP 383 DO 10.1136/adc.33.170.381 VO 33 IS 170 YR 1958 UL http://adc.bmj.com/content/33/170/381.abstract AB