@article{Thomas1997,
author = {Thomas, D. and Strauss, J.},
title= {Health and wages: Evidence on men and women in urban Brazil},
year = {1997},
doi = {10.1016/S0304-4076(96)01811-8},
journal = {Journal of Econometrics},
volume = {77},
number = {1},
pages = {159--185},
}