Ibrahim EL-Zoghby, Sara Aly, Shereen Elgengeehy, M.Hamed and Karim Mashhour (2023) “Lung ultrasound scoring system vs ROX index as a predictor for progression to the invasive mechanical ventilation in COVID-19 patients”, Journal of Population Therapeutics and Clinical Pharmacology, 30(5), pp. 307–314. doi: 10.47750/jptcp.2023.30.05.031.