TY - JOUR T1 - Studies in mental handicap. II. Some obstetric factors of possible aetiological significance. JF - Archives of Disease in Childhood JO - Arch Dis Child SP - 283 LP - 294 DO - 10.1136/adc.43.229.283 VL - 43 IS - 229 AU - C. M. Drillien Y1 - 1968/06/01 UR - http://adc.bmj.com/content/43/229/283.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -