Sinaga, Sofi Oktaviera, et al. “Relationship Between Cluster of Differentiation 4 Levels and Neuroopthalmic Manifestations in HIV Patients in Haji Adam Malik General Hospital Medan”. Journal of Society Medicine, vol. 2, no. 11, Nov. 2023, pp. 357-65, doi:10.47353/jsocmed.v2i11.95.