Ireri, J., J. Ngeranwa, D. Mburu, W. Jaoko, C. Sekadde-Kigondu, and P. Wanzala. “Prospective Changes in Serum Levels of Some Proinflammatory Cytokines and Erythropoietin Among Anaemic HIV-Infected Patients Attending Kenyatta National Hospital Comprehensive Care Centre”. International Journal of Sciences: Basic and Applied Research (IJSBAR), vol. 36, no. 8, Dec. 2017, pp. 90-107, https://www.gssrr.org/index.php/JournalOfBasicAndApplied/article/view/8408.