@article{riegel_crossetti_martini_nes_2021,  title={Florence Nightingale’s theory and her contributions to holistic critical thinking in nursing},  volume={74},  ISSN={0034-7167},  url={https://doi.org/10.1590/0034-7167-2020-0139},  DOI={10.1590/0034-7167-2020-0139},  number={2},  journal={Revista Brasileira de Enfermagem},  publisher={Associação Brasileira de Enfermagem},  author={Riegel, Fernando and Crossetti, Maria da Graça Oliveira and Martini, Jussara Gue and Nes, Andrea Aparecida Gonçalves},  year={2021},  pages={e20200139} }