TY  - JOUR
A1  - Hawkes, K.
T1  - Grandmothers and the Evolution of Human Longevity
Y1  - 2003
DO  - 10.1002/ajhb.10156
JF  - American Journal of Human Biology
VL  - 15
IS  - 3
SP  - 380
EP  - -400

ER  -