@article{Smith1994,
author = {Smith, Herbert L.},
title= {Nonreporting of births or nonreporting of pregnancies? Some evidence from four rural counties in north China},
year = {1994},
doi = {10.2307/2061753},
URL = {https://doi.org/10.2307/2061753},
volume = {31},
number = {3},
pages = {481--486},
}