@article{Willcox2008,
author = {Willcox, D.C. and Willcox, B.J. and He, Q. and Wang, N. and Suzuki, M.},
title= {They really are that old: A validation study of centenarian prevalence in Okinawa},
year = {2008},
journal = {Journal of Gerontology: Biological Sciences},
volume = {63A},
number = {4},
pages = {338--349},
}