Zulkifli, Agustina Br Haloho, Legiran, and Muhammad Ikhsan Kartawinata. 2022. “The Comparison of Duration Endotracheal Tube Insertion Using Aerosol Box And Without Aerosol Box in Elective Surgery Patients in the Covid-19 Pandemic”. Journal of Anesthesiology and Clinical Research 2 (2), 212-21. https://doi.org/10.37275/jacr.v2i2.161.