@article{casagrande_coimbra_andrade_2018,  title={BURNOUT IN ELITE TENNIS PLAYERS OF DIFFERENT JUNIOR CATEGORIES},  volume={24},  ISSN={1517-8692},  url={https://doi.org/10.1590/1517-869220182402181208},  DOI={10.1590/1517-869220182402181208},  number={2},  journal={Revista Brasileira de Medicina do Esporte},  publisher={Sociedade Brasileira de Medicina do Exercício e do Esporte},  author={Casagrande, Pedro de Orleans and Coimbra, Danilo Reis and Andrade, Alexandro},  year={2018},  month={Mar},  pages={121–124} }