@article{De Vogli2007,
author = {De Vogli, R. and Gimeno, D. and Martini, G. and Conforti, D.},
title= {The pervasiveness of the socioeconomic gradient of health},
year = {2007},
doi = {1007/s10654-006-9097-7},
journal = {European Journal of Epidemiology},
volume = {22},
number = {2},
pages = {143--144},
}