Dr. Shrutalakshanaa R, Dr. Elen Ann Abraham, Dr. Ghanshyam Verma, “Comparison of Six-Minute Walk Test and Lung Function Test (Fev1%, Fvc%) in Patients with Interstitial Lung Disease and Connective Tissue Disorder”, jds, vol. 19, no. S8, pp. 611–622, Jul. 2026.