TY - JOUR T1 - Advances in Pediatrics JF - Archives of Disease in Childhood JO - Arch Dis Child SP - 300 LP - 300 DO - 10.1136/adc.23.116.300 VL - 23 IS - 116 A2 - , Y1 - 1948/12/01 UR - http://adc.bmj.com/content/23/116/300.1.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -