A, N., D, P. and M, V.A. 2018. CLINICAL ASSOCIATION OF SERUM MAGNESIUM AND SERUM FIBRINOGEN LEVELS WITH ACUTE EXACERBATION OF CHRONIC OBSTRUCTIVE PULMONARY DISEASE- A PROSPECTIVE OBSERVATIONAL STUDY. Asian Journal of Pharmaceutical and Clinical Research. 11, 16 (Dec. 2018), 81–84. DOI:https://doi.org/10.22159/ajpcr.2018.v11s4.31683.