TY - JOUR T1 - Clinical Perinatology JF - Archives of Disease in Childhood JO - Arch Dis Child SP - 832 LP - 832 DO - 10.1136/adc.50.10.832-b VL - 50 IS - 10 A2 - , Y1 - 1975/10/01 UR - http://adc.bmj.com/content/50/10/832.3.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -