@article{ashmawi_2015,  title={Pain in the elderly},  volume={16},  ISSN={1806-0013},  url={https://doi.org/10.5935/1806-0013.20150031},  DOI={10.5935/1806-0013.20150031},  number={3},  journal={Revista Dor},  publisher={Sociedade Brasileira para o Estudo da Dor},  author={Ashmawi, Hazem Adel},  year={2015},  month={Jul},  pages={161–161} }