BLOEM, A.; VELTKAMP, M.; SPRUIT, M. A.; CUSTERS, J. W.; BAKKER, E. W.; DOLK, H. M.; GRUTTERS, J. C. Validation of 4-meter-gait-speed test and 5-repetitions-sit-to-stand test in patients with pulmonary fibrosis: a clinimetric validation study. Sarcoidosis vasculitis and diffuse lung disease, v. 35, n. 4, p. 317-326, 28 Nov. 2018.