@article{Singh2007,
author = {Singh, G.K. and Kogan, M.D.},
title= {Widening socioeconomic disparities in US childhood mortality, 1969–2000},
year = {2007},
doi = {10.2105/AJPH.2006.087320},
journal = {American Journal of Public Health},
volume = {97},
number = {9},
pages = {1658--1665},
}