@article{Khoshwood2005,
author = {Khoshwood, B.},
title= {Risk of low birth weight associated with advanced maternal age among four ethnic four ethnic groups in United States},
year = {2005},
doi = {10.1007/s10995-005-2446-4},
journal = {Maternal and Child Health Journal},
volume = {9},
number = {1},
pages = {3--9},
}