@article{Perls1998,
author = {Perls, T.T. and Bubrick, E. and Wager, C.G. and Vijg, J. and Kruglyak, L.},
title= {Siblings of centenarians live longer},
year = {1998},
doi = {10.1016/S0140-6736(05)61126-9},
journal = {Lancet},
volume = {351},
number = {9115},
pages = {1560},
}