Davis Kizhakkepeedika Rennis and Easwaramangalath Venugopal Krishnakumar (2022) “The Predictive Value of Initial Arterial Blood Gas Variations in Pneumonia Patients with Type I/II Respiratory Failure”, New Horizons in Medicine and Medical Research Vol. 9, pp. 8–16. doi: 10.9734/bpi/nhmmr/v9/6050F.