Dinar, Aninda, Verawati Sulaiman, Dian Wahyu Tanjungsari, Farida Murtiani, and Siti Maemun. 2024. “Procalcitonin, NLR, and Bacterial Co-Infection As Predictor in Severe-Critical Ill COVID-19 Patients”. BALABA 20 (1). https://journalkolegium.epidemiologi.id/index.php/kei/article/view/150.