PT - JOURNAL ARTICLE ED - , TI - Spring Meeting, Southmead Hospital, Bristol, 21 and 22 March 1975 AID - 10.1136/adc.50.9.743 DP - 1975 Sep 01 TA - Archives of Disease in Childhood PG - 743--747 VI - 50 IP - 9 4099 - http://adc.bmj.com/content/50/9/743.short 4100 - http://adc.bmj.com/content/50/9/743.full SO - Arch Dis Child1975 Sep 01; 50