Karmiza, K., Muharriza, M. and Huriani, E. 2017. Left Lateral Positioning with Head Elevation Increase The Partial Pressure of Oxygen on Patients with Mechanical Ventilation. Jurnal Ners. 9, 1 (Jan. 2017), 59–65. DOI:https://doi.org/10.20473/jn.v9i1.2979.