@article{Chen2013,
author = {Chen, Y. and Li, H. and Meng, L.},
title= {Prenatal sex selection and missing girls in China: Evidence from the diffusion of diagnostic ultrasound},
year = {2013},
doi = {10.3368/jhr.48.1.36},
volume = {48},
number = {1},
pages = {36--70},
}