@article{Rosero-Bixby2016,
author = {Rosero-Bixby, L. and Dow, W.H.},
title= {Exploring why Costa Rica outperforms the United States in life expectancy: A tale of two inequality gradients},
year = {2016},
doi = {10.1073/pnas.1521917112},
journal = {Proceedings of the National Academy of Sciences},
volume = {113},
number = {5},
pages = {1130‒1137},
}