@article{Blau2020,
author = {Blau, F. D. and Kahn, L. M. and Brummund, P. and Cook, J. and Larson-Koester, M.},
title= {Is there still son preference in the United States?},
year = {2020},
doi = {10.1007/s00148-019-00760-7},
volume = {33},
number = {3},
pages = {709--750},
}