Is Cricothyroid Membrane Puncture for Topical Anesthetic Administration in Flexible Bronchoscopy and EBUS/TBNA Safe for the Patient? María Sánchez-Samblancat; Dario Alexander Cruz-Chamorro; Selene Peris-Cuenca; Cristina Luna-Pardo; Raquel Martínez-Tomás; Andrés Briones-Gómez; Enrique Cases-Viedma;