@article{Perls1999,
author = {Perls, T.T. and Bochen, K. and Freeman, M. and Alpert, L. and Silver, M.H.},
title= {Validity of reported age and centenarian prevalence in New England},
year = {1999},
doi = {10.1093/ageing/28.2.193},
journal = {Age and Ageing},
volume = {28},
number = {2},
pages = {193--197},
}