Vanessa Yumi Kozu Tino1, Andrea Akemi Morita1,2, Gianna Waldrich Bisca1,2, Giovana Guzzi1, Felipe Vilaça Cavallari Machado1, Nidia Aparecida Hernandes1, Fabio Pitta1, Josiane Marques Felcar1,3
Tino1 VYK, Morita1 AA, 2 , Bisca1 GW, 2 , Guzzi1 G, et al. Which is the best protocol and cut-off point in the 4-metre gait speed test to discriminate exercise capacity in COPD?. J Bras Pneumol. 2020;46(6):e20190232