PT - JOURNAL ARTICLE ED - , TI - Dr Schwarz and co-authors comment AID - 10.1136/adc.53.4.351-a DP - 1978 Apr 01 TA - Archives of Disease in Childhood PG - 351--352 VI - 53 IP - 4 4099 - http://adc.bmj.com/content/53/4/351.2.short 4100 - http://adc.bmj.com/content/53/4/351.2.full SO - Arch Dis Child1978 Apr 01; 53