@article{cassiani_2013,  title={Challenges for nursing human resources},  volume={21},  ISSN={0104-1169},  url={https://doi.org/10.1590/S0104-11692013000700001},  DOI={10.1590/S0104-11692013000700001},  number={spe},  journal={Revista Latino-Americana de Enfermagem},  publisher={Escola de Enfermagem de Ribeirão Preto / Universidade de São Paulo},  author={Cassiani, Silvia Helena de Bortoli},  year={2013},  month={Jan},  pages={1–2} }