@article{McArdle2006,
author = {McArdle, Patrick F. and Pollin, Toni I. and O'Connell, Jeffrey R. and Sorkin, John D. and Agarwala, Richa and Schäffer, Alejandro A. and Streeten, Elizabeth A. and King, Terri M. and Shuldiner, Alan R. and Mitchell, Braxton D.},
title= {Does Having Children Extend Life Span? A Genealogical Study of Parity and Longevity in the Amish},
year = {2006},
doi = {10.1093/gerona/61.2.190},
journal = {The Journals of Gerontology Series A: Biological Sciences and Medical Sciences},
volume = {61},
number = {2},
pages = {190--195},
}