PT - JOURNAL ARTICLE ED - , TI - Drs Rolles and Collins comment AID - 10.1136/adc.61.4.417-b DP - 1986 Apr 01 TA - Archives of Disease in Childhood PG - 417--417 VI - 61 IP - 4 4099 - http://adc.bmj.com/content/61/4/417.4.short 4100 - http://adc.bmj.com/content/61/4/417.4.full SO - Arch Dis Child1986 Apr 01; 61