@article{Smith2004,
author = {Smith, K.R. and Waitzman, N.J.},
title= {Double Jeopardy: Interaction effects of marital status and poverty status on the risk of mortality},
year = {2004},
doi = {10.2307/2061754},
journal = {Demography},
volume = {31},
number = {3},
pages = {487--507},
}