A prospective observational study comparing lung ultrasound and clinical scores ability in prediction of non invasive respiratory support outcome in acute respiratory failure. - Mohammed, Abeer Salah El-deen; Mohammed, Randa Salah El-deen; Basset, Ahmed Sayed Abd El; Mohammed, Omnia Adel Saad Zaghloul; Mohamed, Maha Fathy; Fahmy, Noha Mahmoud (Egyptian Journal of Bronchology, 2026)