TY - JOUR A1 - Lee, R.D. T1 - Rethinking the evolutionary theory of aging: Transfers, not births, shape senescence in social species Y1 - 2003 DO - 10.1073/pnas.1530303100 JF - Proceedings of the National Academy of Sciences VL - 100 IS - 16 SP - 9637 EP - -9642 ER -