Peroral endoscopy and laryngeal surgery. Chevalier js, m. D., professor of laryngology, university of pittsburg, laryngologist presbyterian hospital, eye and ear hospital, consulting laryngologist, bronchoscopist, esophagoscopist and gastroscopist, western pennsylvania hospital and western pennsylvania hospital for the insane, pittsburg hospital for children, etc., etc. Six colored plates and 490 illustrations. The laryngoscope, st. Louis, 1915
The Laryngoscope