KALYANI, K.; REDDY, C. R.; KUMAR, M. M. Prospective study of hyperglycemia and its impact on the causation of severe exacerbations in chronic obstructive pulmonary disease (COPD) patients attending a tertiary care hospital. Journal of Applied Pharmaceutical Research, v. 11, n. 5, p. 09-14, 31 Dec. 2023.