Dr.Sri Durga Saladi, and Dr.Lumbini Devi Vattikonda. “ASSOCIATION BETWEEN COPD SEVERITY AND RETINAL MICROVASCULAR CHANGES: A CROSS-SECTIONAL STUDY”. Journal of Population Therapeutics and Clinical Pharmacology, vol. 31, no. 5, May 2024, pp. 2351-9, https://doi.org/10.67145/eqppvs60.