Dexmedetomidine versus ketamine in improving tolerance to noninvasive ventilation after blunt chest trauma: A randomized, double-blinded, placebo-controlled trial. - Ghazaly, Huda F.; Elansary, Mohamed M.; Mahmoud, Ahmed A.; Hasanen, Mohamed K.; Hassan, Mahmoud M. (Journal of Anaesthesiology Clinical Pharmacology, 2024)