@article{sperandio_guerra_romiti_gagliardi_arantes_dourado_2019,  title={Reference values for the 6-min walk test in healthy middle-aged and older adults: from the total distance traveled to physiological responses},  volume={32},  ISSN={0103-5150},  url={https://doi.org/10.1590/1980-5918.032.AO31},  DOI={10.1590/1980-5918.032.AO31},  journal={Fisioterapia em Movimento},  publisher={Pontifícia Universidade Católica do Paraná},  author={Sperandio, Evandro Fornias and Guerra, Ricardo Luís Fernandes and Romiti, Marcello and Gagliardi, Antônio Ricardo de Toledo and Arantes, Rodolfo Leite and Dourado, Victor Zuniga},  year={2019},  pages={e003231} }