@article{johnson_1994,  title={Sustaining community living of the very old: medical and service issues},  volume={10},  ISSN={0102-311X},  url={https://doi.org/10.1590/S0102-311X1994000200002},  DOI={10.1590/S0102-311X1994000200002},  number={2},  journal={Cadernos de Saúde Pública},  publisher={Escola Nacional de Saúde Pública Sergio Arouca, Fundação Oswaldo Cruz},  author={Johnson, Collen L.},  year={1994},  month={Apr},  pages={149–163} }