García Rueda, A., & González Pérez, L. (2012). Patología de Cabeza y Cuello: NAP4: Anil Patel, Dr. Adrian Pearce, Mr. Paul Pracy. NAP4. Report and findings of 4th national audit project of the royal college of anaesthetists. Revista Electrónica AnestesiaR, 4(9), 5. https://doi.org/10.30445/rear.v4i9.399