E. Yildirim, N. Tutus, Y. Aydogdu, and I. Ozmen, “Prognostic significance of incorporating SpO2 recovery time to the 6-minute walk test protocol and to a modified GAP index risk prediction model in patients with idiopathic pulmonary fibrosis”, Sarcoidosis Vasc Diffuse Lung Dis, vol. 43, no. 1, p. 18270, Mar. 2026, doi: 10.36141/svdld.2026.18270.