2021. Is Duration of Endotracheal Tube Intubation Using a Video Laryngoscope Different with a Direct Laryngoscope in Elective Surgery Patients During Pandemic Covid-19? Journal of Anesthesiology and Clinical Research. 2, 1 (Dec. 2021), 103–114. DOI:https://doi.org/10.37275/jacr.v2i1.142.