2020. Impact of Socio-Economic and Demographic Characteristics of Chronic Obstructive Pulmonary Disease Patients on Hospital Application: Demographic factors in COPD. International Journal of Scientific Research and Management (IJSRM). 8, 03 (Mar. 2020), 305–311. DOI:https://doi.org/10.18535/ijsrm/v8i03.mp01.