@article{valério_fernandes_miranda_terra_2019,  title={Difficulties faced by nurses to use pain as the fifth vital sign and the mechanisms/actions adopted: an integrative review},  volume={2},  ISSN={2595-3192},  url={https://doi.org/10.5935/2595-0118.20190013},  DOI={10.5935/2595-0118.20190013},  number={1},  journal={BrJP},  publisher={Sociedade Brasileira para o Estudo da Dor},  author={Valério, Allana Fernandes and Fernandes, Karina da Silva and Miranda, Grazielle and Terra, Fábio de Souza},  year={2019},  month={Jan},  pages={67–71} }