Effendi, B., C. W. Pitoyo, R. Sinto, and S. Suwarto. “Procalcitonin Prognostic Value in Predicting Mortality Among Adult Patients With Sepsis Due to Gram-Negative Bacteria”. Medical Journal of Indonesia, vol. 31, no. 1, Apr. 2022, pp. 50-5, doi:10.13181/mji.oa.225864.