@article{Dowd2010,
author = {Dowd, J.B.  and Zajacova, A. },
title= {Does self-rated health mean the same thing across socioeconomic groups? Evidence from biomarker data},
year = {2010},
doi = {10.1016/j.annepidem.2010.06.007},
volume = {20},
number = {10},
pages = {743--749},
}