@article{Ho2013,
author = {Ho, J.Y. and Elo, I.T.},
title= {The contribution of smoking to black-white differences in U.S. mortality},
year = {2013},
doi = {10.1007/s13524-012-0159-z},
journal = {Demography },
volume = {50},
number = {2},
pages = {545‒568},
}