Zechariah Jebakumar Arulanantham (2020) “Correlation of FEV1/FEV6 with BODE Index, CAT Score and DLCO in COPD Patients”, International Journal of Pharmacometrics and Integrated Biosciences, 4(2), pp. 18-23. doi: 10.26452/ijpib.v4i2.1258.