@article{Diez-Roux1998,
author = {Diez-Roux, A.V.},
title= {Bringing context back into epidemiology: Variables and fallacies in multilevel analysis},
year = {1998},
doi = {10.2105/AJPH.88.2.216},
volume = {88},
number = {2},
pages = {216--222},
}