@article{Harper2012,
author = {Harper, S. and Rushani, D. and Kaufman, J.S.},
title= {Trends in the black-white life expectancy gap, 2003-2008},
year = {2012},
doi = {10.1001/jama.2012.5059},
volume = {307},
number = {21},
pages = {2257--2259},
}