TY - JOUR A1 - Stein, A.D. A1 - Zybert, P.A. A1 - L.H., Lumey T1 - Acute undernutrition is not associated with excess of females at birth in humans: the Dutch Hunger Winter Y1 - 2004 DO - 10.1098/rsbl.2003.0123 JF - Proceedings of the Royal Society of London Series B VL - 271 IS - Supplement SP - 138 EP - -141 ER -