@article{Robine2005,
author = {Robine, J.M. and Paccaud, F.},
title= {Nonagenarians and centenarians in Switzerland, 1860-2001: A demographic analysis},
year = {2005},
doi = {10.1136/jech.2003.018663},
journal = {Journal of Epidemiology and Community Health},
volume = {59},
pages = {31--37},
}