PT - JOURNAL ARTICLE ED - , TI - British Paediatric Association AID - 10.1136/adc.21.107.175 DP - 1946 Sep 01 TA - Archives of Disease in Childhood PG - 175--179 VI - 21 IP - 107 4099 - http://adc.bmj.com/content/21/107/175.short 4100 - http://adc.bmj.com/content/21/107/175.full SO - Arch Dis Child1946 Sep 01; 21