@article{Ferrucci1999,
author = {Ferrucci, L. and Izmirlian, G. and Leveille, S. and Phillips, C.L. and Corti, M.C. and Brock, D.B. and Guralnik, J.M.},
title= {Smoking, physical activity, and active life expectancy},
year = {1999},
doi = {10.1093/oxfordjournals.aje.a009865},
URL = {https://doi.org/10.1093/oxfordjournals.aje.a009865},
volume = {149},
number = {7},
pages = {645‒653},
}