@article{Lee2003,
author = {Lee, R.D.},
title= {Rethinking the evolutionary theory of aging: Transfers, not births, shape senescence in social species},
year = {2003},
doi = {10.1073/pnas.1530303100},
journal = {Proceedings of the National Academy of Sciences},
volume = {100},
number = {16},
pages = {9637--9642},
}