@article{Frova2010,
author = {Frova, L. and Burgio, A. and Battisti, A.},
title= {Are gaps in disability free life expectancies diminishing in Italy?},
year = {2010},
doi = {10.1007/s10433-010-0173-1},
volume = {7},
number = {4},
pages = {239--247},
}