Farid, Lutfi Nur, Hardiono Hardiono, and Pesta Parulian Maurid Edwar. 2021. “Effect of Positive End-Expiratory Pressure Value on Change in End-Tidal Carbon Dioxide As a Predictor of Fluid Responsiveness in Patients Undergoing Passive Leg Raising Maneuver”. Qanun Medika - Medical Journal Faculty of Medicine Muhammadiyah Surabaya 5 (2). https://doi.org/10.30651/jqm.v5i2.5458.