@article{Geyer2006,
author = {Geyer, S. and Hemström, Ö and Peter, R. and Vågerö, D.},
title= {Education, income, and occupational class cannot be used interchangeably in social epidemiology. Empirical evidence against a common practice},
year = {2006},
doi = {10.1136/jech.2005.041319},
volume = {60},
number = {9},
pages = {804--810},
}