Mekewar S, Bhirud PH, Chellam S, Toal PV, Gawade P.
Confirmation of Endotracheal Tube Placement in Trachea Ultrasonography vs End-tidal Capnography with Auscultation: An Observational Study. 
Res Inno Anesth
2022;
7
(1):5-9.