@article{Valkonen1997,
author = {Valkonen, T. and Sihvonen, A.-P. and Lahelma, E.},
title= {Health expectancy by level of education in Finland},
year = {1997},
doi = {10.1016/S0277-9536(96)00190-6},
journal = {Social Science & Medicine},
volume = {44},
number = {6},
pages = {801--808},
}