Symvoulakis, Emmanouil, et al. “Frailty and Chronic Respiratory Disease: The Need for a Multidisciplinary Care Model”. Sarcoidosis, Vasculitis and Diffuse Lung Diseases, vol. 38, no. 3, Sept. 2021, p. e2021031, doi:10.36141/svdld.v38i3.11599.