@article{moura_dias_pereira_2016,  title={Prevalence and factors associated with preoperative anxiety in children aged 5-12 years},  volume={24},  ISSN={0104-1169},  url={https://doi.org/10.1590/1518-8345.0723.2708},  DOI={10.1590/1518-8345.0723.2708},  journal={Revista Latino-Americana de Enfermagem},  publisher={Escola de Enfermagem de Ribeirão Preto / Universidade de São Paulo},  author={Moura, Louise Amália de and Dias, Iohanna Maria Guimarães and Pereira, Lilian Varanda},  year={2016},  pages={e2708} }