TY - JOUR T1 - Orthopaedics JF - Archives of Disease in Childhood JO - Arch Dis Child SP - 461 LP - 461 DO - 10.1136/adc.36.188.461 VL - 36 IS - 188 A2 - , Y1 - 1961/08/01 UR - http://adc.bmj.com/content/36/188/461.1.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -