@article{Guralnik2003,
author = {Guralnik, J.M. and Ferrucci, L.},
title= {Assessing the building blocks of function: Utilizing measures of functional limitation},
year = {2003},
doi = {10.1016/S0749-3797(03)00174-0},
journal = {American Journal of Preventive Medicine},
volume = {25},
number = {3},
pages = {112‒121},
}