Comparison of End-tidal Capnography, Chest Auscultation, and Upper Airway Ultrasonography for Rapid Confirmation of Endotracheal Tube Placement by Trainees among Patients Requiring Intubation for General Anesthesia. - Subramanian, Vallikanna; Misquith, Julie C. R.; Naik, Shilpa A.; Ribeiro, Karl Nicholas Sa (Annals of African Medicine, 2026)