TY - JOUR A1 - Hesketh, T. A1 - Xing, Z.W. T1 - Abnormal sex ratios in human populations: Causes and consequences Y1 - 2006 DO - 10.1073/pnas.0602203103 UR - https://doi.org/10.1073/pnas.0602203103 VL - 103 IS - 36 ER -