Varughese, J.D. and S, J. 2017. A PROSPECTIVE OBSERVATIONAL STUDY ON HEALTH-RELATED QUALITY OF LIFE IN CHRONIC OBSTRUCTIVE PULMONARY DISEASE PATIENTS BASED ON SEVERITY. Asian Journal of Pharmaceutical and Clinical Research. 10, 8 (Aug. 2017), 244–247. DOI:https://doi.org/10.22159/ajpcr.2017.v10i8.19199.