1.
Bloem A, Veltkamp M, Spruit MA, Custers JW, Bakker EW, Dolk HM, Grutters JC. 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 [Internet]. 2018Nov.28 [cited 2019Oct.17];35(4):317-26. Available from: http://mattioli1885journals.com/index.php/sarcoidosis/article/view/7035