title: Fiberoptic laryngoscopy in ankylosing spondylitis.
mesh_terms: D005336:Fiber Optic Technology / Q000295:instrumentation*; D005350:Fibroma / Q000150:complications / Q000175:diagnosis*; D006801:Humans; D007822:Laryngeal Neoplasms / Q000150:complications / Q000175:diagnosis*; D020704:Laryngoscopes; D008297:Male; D008875:Middle Aged; D013167:Spondylitis, Ankylosing / Q000150:complications*