Visgint, Aprima, et al. “The Analysis Study of Prevalence of Chronic Kidney Disease in Patients With Chronic Obstructive Pulmonary Disease : A Comprehensive Systematic Review”. The International Journal of Medical Science and Health Research, vol. 3, no. 2, Aug. 2024, pp. 47-65, https://doi.org/10.70070/w9q31b52.