1[2]Damm M, Eckel HE, Jungehulsing M, et al.Airway endoscopy in the interdisciplinary management of acute epiglottitis[J].Int J Pediatr Otorhinolaryngol, 1996, 38(1):41-51.
2[3]Rhew K, Fiedler DA, Ludlow CL.Technique for injection of botulinum toxin through the flexible nasolaryngoscope[J].Otolaryngol Head Neck Surg, 1994,111(6):787-794.
3[4]Hormann K, Schmidt H.Flexible endoscopy in the ENT area[J].Head Neck Otolaryngol,1998,46(7):654-659.
