@article{lira_rocha_2019,  title={PICOT: Imprescriptible items in a clinical research question},  volume={82},  ISSN={0004-2749},  url={https://doi.org/10.5935/0004-2749.20190028},  DOI={10.5935/0004-2749.20190028},  number={2},  journal={Arquivos Brasileiros de Oftalmologia},  publisher={Conselho Brasileiro de Oftalmologia},  author={Lira, Rodrigo Pessoa Cavalcanti and Rocha, Eduardo Melani},  year={2019},  month={Mar},  pages={1–1} }