The Effectiveness Of High-Flow Nasal Cannula (HFNC) Therapy On Improvement Of Oxygen Saturation With Acute Breathing Failure In Covid-19 Patients (Literature Study). JKF [Internet]. 2022 Apr. 28 [cited 2025 Jul. 10];4(2):237-4. Available from: https://ejournal.medistra.ac.id/index.php/JKF/article/view/1017