“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 Diseases, vol. 35, no. 4, Nov. 2018, pp. 317-26, https://doi.org/10.36141/svdld.v35i4.7035.