RT Journal Article SR Electronic T1 Dr Sinha comments JF Archives of Disease in Childhood JO Arch Dis Child FD BMJ Publishing Group Ltd and Royal College of Paediatrics and Child Health SP 907 OP 907 DO 10.1136/adc.66.7.907 VO 66 IS 7 YR 1991 UL http://adc.bmj.com/content/66/7/907.3.abstract AB