@article{Cavelaars2000,
author = {Cavelaars, A.E. and Kunst, A.E. and Geurts, J.J. and Crialesi, R. and Grötvedt, L. and Helmert, U. and Lahelma, E. and Lundberg, O. and Matheson, J. and Mielck, A. and Rasmussen, N.K. and Regidor, E. and do Rosário-Giraldes, M. and Spuhler, T. and Mackenbach, J.P},
title= {Educational differences in smoking: international comparison},
year = {2000},
doi = {10.1136/bmj.320.7242.1102},
journal = {BMJ},
volume = {320},
number = {7242},
pages = {1102--1107},
}