Giallafos, Elias, et al. “Association of Non-Linear Dynamics of Heart Rate Variability With All-Cause Mortality in Patients With Sarcoidosis”. Sarcoidosis, Vasculitis and Diffuse Lung Diseases, vol. 42, no. 3, Sept. 2025, p. 16332, https://doi.org/10.36141/svdld.v42i3.16332.