@article{Müller2002,
author = {Müller, H-G. and Chiou, J-M. and Carey, J.R. and Wang, J.L.},
title= {Fertility and life span: late children enhance female longevity},
year = {2002},
journal = {Journal of Gerontology: Biological Science },
volume = {57A},
number = {5},
pages = {202--206},
}