IJSR International Journal of Scientific Research 2277 - 8179 Indian Society for Health and Advanced Research ijsr-10-12-38503 Original Research Paper A STUDY OF CLINICAL PROFILE OF 100 PATIENTS HAVING CHRONIC OBSTRUCTIVE PULMONARY DISEASE COMING TO A TIRTIARY CARE CENTRE Tushar Patel Dr. Dr. Krutesh Tripathi Dr. December 2021 10 12 01 02