@article{Olsen2007,
author = {Olsen, K.M. and Dahl, S.A.},
title= {Health differences between European countries},
year = {2007},
doi = {10.1016/j.socscimed.2006.11.031},
journal = {Social Science & Medicine},
volume = {64},
number = {8},
pages = {1665--78},
}