Haryati, H., F. R. Arganita, and W. Ramadhaniati. “Tocilizumab In Severe To Critical Confirmed COVID-19: A Case Series At Ulin Referral Hospital Of South Kalimantan”. Jurnal Profesi Medika : Jurnal Kedokteran Dan Kesehatan, vol. 15, no. 1, June 2021, doi:10.33533/jpm.v15i1.2862.