IJSR International Journal of Scientific Research 2277 - 8179 Indian Society for Health and Advanced Research ijsr-9-12-32566 Original Research Paper CORRELATION OF SIX MINUTE WALK TEST WITH SPIROMETRY AND DIFFUSION CAPACITY FOR CARBON MONOXIDE (DLCO) IN PATIENTS WITH INTERSTITIAL LUNG DISEASES. Saxena Dr. Rishika Goyal Dr. December 2020 9 12 01 02