@article{Gessert2002,
author = {Gessert, C.E. and Elliott, B.A. and Haller, I.V.},
title= {Dying of old age: An examination of death certificates of Minnesota centenarians},
year = {2002},
doi = {10.1046/j.1532-5415.2002.50413.x},
volume = {50},
number = {9},
pages = {1561--1565},
}