A. Andueza Artal, «¿Es el antecedente de intubación difícil un buen predictor de dificultad de intubación posterior? Lundstrøm LH, Møller AM, Rosenstock C, Astrup G, Gätke MR, Wetterslev J; Danish Anaesthesia Database. A documented previous difficult tracheal intubation as a prognostic test for a subsequent difficult tracheal intubation in adults. Anaesthesia. 2009 Oct;64(10):1081-8.», Rev Elect AnestesiaR, vol. 2, n.º 9, p. 5, sep. 2010.