Musri and Yudistirawati, N. 2021. COMPARISON OF POSITIONING BETWEEN SEMI-FOWLER’S AND LEFT LATERAL TO OXYGEN SATURATION IN VENTILATED PATIENTS: A QUASI-EXPERIMENTAL STUDY: COMPARISON OF POSITIONING BETWEEN SEMI-FOWLER’S AND LEFT LATERAL TO OXYGEN SATURATION IN VENTILATED PATIENTS: A QUASI-EXPERIMENTAL STUDY . Quality : Jurnal Kesehatan. 15, 2 (Nov. 2021), 142–152.