@article{Martikainen1998,
author = {Martikainen, P. and Valkonen, T.},
title= {Do education and income buffer the effects of death of spouse on mortality?},
year = {1998},
doi = {10.1097/00001648-199809000-00010},
journal = {Epidemiology},
volume = {9},
number = {5},
pages = {530--534},
}