Fernández Vaquero, M. Ángel. (2017). Fonendoscopio o Ecógrafo ¿Dónde estamos? Auscultation versus Point-of-care Ultrasound to Determine Endotracheal versus Bronchial Intubation. A Diagnostic Accuracy Study. Ramsing D, Frank E, Haughton R, Schilling J, Giménez KM, Banh E et al. Anesthesiology May 2016; 124:1012-20. Revista Electrónica AnestesiaR, 9(2), 4. https://doi.org/10.30445/rear.v9i2.79