@article{Gavrilov2011,
author = {Gavrilov, L.A. and Gavrilova, N.S.},
title= {Season of birth and exceptional longevity: Comparative study of American centenarians, their siblings, and spouses},
year = {2011},
doi = {10.4061/2011/104616},
volume = {2011},
number = {104616},
pages = {1‒11},
}