Sutadji, J. C., Widodo, A. D. W., & Indiastuti, D. N. (2021). Mortality Comparison of Using Anti Interleukin-6 Therapy and Using Standard Treatment in Severe Covid-19. Folia Medica Indonesiana, 57(2), 158–165. https://doi.org/10.20473/fmi.v57i2.21929