@article{Avlund2002,
author = {Avlund, K. and Damsgaard, M.T. and Sakari-Rantala, R. and Laukkanen, P. and Schroll, M.},
title= {Tiredness in daily activities among nondisabled old people as determinant of onset disability},
year = {2002},
doi = {10.1016/S0895-4356(02)00463-8},
journal = {Journal of Clinical Epidemiology},
volume = {55},
pages = {965--973},
}