@article{Penninx1999,
author = {Penninx, B.W. and Leveille, S. and Ferrucci, L. and van Eijk, J.T. and Guralnik, J.M.},
title= {Exploring the effect of depression on physical disability: Longitudinal evidence from the Established Populations for Epidemiologic Studies of the Elderly},
year = {1999},
doi = {10.2105/AJPH.89.9.1346},
journal = {American Journal of Public Health},
volume = {89},
number = {9},
pages = {1346--1352},
}