PT - JOURNAL ARTICLE ED - , AID - 10.1136/adc.84.2.0 DP - 2001 Feb 01 TA - Archives of Disease in Childhood VI - 84 IP - 2 4099 - http://adc.bmj.com/content/84/2/0.short 4100 - http://adc.bmj.com/content/84/2/0.full SO - Arch Dis Child2001 Feb 01; 84