@article{Abbott1978,
author = {Abbott, M.H. and Abbey, H. and Bolling, D.R. and Murphy, E.A. and Opitz, J.M.},
title= {Familial component in longevity - a study of offspring of nonagenarians: III. Intrafamilial studies},
year = {1978},
doi = {10.1002/ajmg.1320020202},
journal = {American Journal of Medical Genetics},
volume = {2},
number = {2},
pages = {105--120},
}