Sofwan, Fachruddin, Juni Kurniawaty, and Bowo Adiyanto. “Validasi National Early Warning Score 2 (News2) Dewasa Untuk Memprediksi Mortalitas Pasien COVID-19 Di RSUP. Sardjito Yogyakarta”. Jurnal Komplikasi Anestesi 9, no. 3 (May 28, 2023): 29-36. Accessed September 30, 2024. https://dev.journal.ugm.ac.id/v3/jka/article/view/8335.