@article{Cramm2016,
author = {Cramm, J.M. and van Dijk, H.M. and Nieboer, A.P.},
title= {The creation of age-friendly environments is especially important to frail older people},
year = {2016},
doi = {10.1017/S0144686X16001240},
volume = {38},
number = {4},
pages = {700‒720},
}