1. Contact Ulcer Granuloma and Other Laryngeal Complications of Endotracheal Anesthesia;Jackson;Anesthesiology,1953
2. Technique of Insertion of Endotracheal Insufflation Tubes;Jackson;Surg., Gynec., and Obst.,1913
3. Subglottic Membrane;Etsten;The New England Journal of Medicine,1951