Validation of 4-meter-gait-speed test and 5-repetitions-sit-to-stand test in patients with pulmonary fibrosis: a clinimetric validation study. Sarcoidosis Vasc Diffuse Lung Dis [Internet]. 2018 Nov. 28 [cited 2024 Jun. 30];35(4):317-26. Available from: https://mattioli1885journals.com/index.php/sarcoidosis/article/view/7035