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. 2021 Apr 1;68:102582. doi: 10.1016/j.bspc.2021.102582

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Fig. 2 — Mean and standard deviation for the tridimensional fuzzy entropy values for healthy subjects, idiopathic pulmonary fibrosis (IPF), and coronavirus disease 2019 (COVID-19) patients. Results for the scale factors $τ = 1$ to $10$ are shown.