IJSR International Journal of Scientific Research 2277 - 8179 Indian Society for Health and Advanced Research ijsr-12-4-47968 Original Research Paper Serum Electrolytes As A Prognostic Marker In Acute Exacerbation Of Chronic Obstructive Pulmonary Disease B.Bhanu Rekha Dr. Dr. Puja Kommanaboyina Dr. April 2023 12 4 01 02