TY  - JOUR
A1  - Christensen, Kaare
A1  - Doblhammer, Gabriele
A1  - Rau, Roland
A1  - Vaupel, James W
T1  - Ageing populations: the challenges ahead 
Y1  - 2009
DO  - 10.1016/S0140-6736(09)61460-4
JF  - The Lancet
VL  - 374
IS  - 9696
SP  - 1196 
EP  - - 1208

ER  -