Timofte, I., Tonelli, A., Diaz-Abad, M., Verceles, A., Ladikos, N., Iacono, A., Terrin, M. L., Wijesinha, M., Akindipe, O. and Baz, M. (2020) “Gait-speed and oxygen flow during six-minute walk test predicts mortality in patients with advanced lung disease”, Monaldi Archives for Chest Disease, 90(1). doi: 10.4081/monaldi.2020.1186.