@article{Huang2015,
author = {Huang, J.Y. and Gavin, A.R. and Richardson, T.S. and Rowhani-Rahbar, A. and Siscovick, D.S. and Enquobahrie, D.A.},
title= {Are early-life socioeconomic conditions directly related to birth outcomes? Grandmaternal education, grandchild birth weight, and associated bias analyses},
year = {2015},
doi = {10.1093/aje/kwv148},
journal = {American Journal of Epidemiology},
volume = {182},
number = {7},
pages = {568--578},
}