@article{Lyyra2006,
author = {Lyyra, T.M. and Heikkinen, R.L.},
title= {Perceived social support and mortality in older people},
year = {2006},
doi = {10.1093/geronb/61.3.S147},
URL = {https://doi.org/10.1093/geronb/61.3.S147},
volume = {61},
number = {3},
pages = {147‒152},
}