Dwikane, Mohamad Rizki, et al. “Efek Pemberian Positive End Expiratory Pressure 5 cmH2O Terhadap Perubahan Nilai Forced Expiratory Volume in 1 Second Dan Forced Vital Capacity Pada Pasien Pascaoperasi Ortopedi”. Jurnal Anestesi Perioperatif, vol. 10, no. 3, Dec. 2022, pp. 191–197, doi:10.15851/jap.v10n3.2856.