@article{Poulain2015,
author = {Poulain, M. and Herm, A.},
title= {Centenarians’ marital history and living arrangements: Pathways to extreme longevity},
year = {2015},
doi = {10.1093/geronb/gbv082},
volume = {71B},
number = {4},
pages = {724--733},
}