Sunarti, S.; Indriyaningrum, N.; Wahono, C.; Soeatmadji, D.; Rudijanto, A. .; Ratnawati, R.; Soeharto Karyono, S.; Maryunani, M. Plasma Levels of Interleukin-6 and the Cluster of Differentiation 4/Cluster of Differentiation 8 Ratio in Frailty Among Community-Dwelling Older People. Open Access Maced J Med Sci 2021, 9, 1333-1341.