TY - JOUR T1 - Drs Bishop and Nolan comment JF - Archives of Disease in Childhood JO - Arch Dis Child SP - 567 LP - 567 DO - 10.1136/adc.67.4.567-a VL - 67 IS - 4 A2 - , Y1 - 1992/04/01 UR - http://adc.bmj.com/content/67/4/567.3.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -