TY  - JOUR
A1  - Almond, D.
A1  - Edlund, L.
T1  - Son-biased sex ratios in the 2000 United States Census
Y1  - 2008
DO  - 10.1073/pnas.0800703105
JF  - Proceedings of the National Academy of Sciences
VL  - 105
IS  - 15
SP  - 5681
EP  - -5682

ER  -