Iskandar, A., D. A. Tandio, and Y. A. Prihastuti. “Relationship Between Procalcitonin Serum Level and Septic Patient Mortality in Dr. Saiful Anwar General Hospital, Malang”. Intisari Sains Medis, vol. 11, no. 3, Dec. 2020, pp. 963-6, doi:10.15562/ism.v11i3.829.