1. Tracheal Cartilaginous Sleeve;Davis;Pediatr Pathol,1992
2. Completely Cartilaginous Trachea in a Child With Crouzon Syndrome;Devine;Am J Dis Chil,1984
3. Vertically Fused Tracheal Cartilage: An Underrecognized Anomaly;Inglis;Arch Otolaryngol,1992
4. Congenital Tracheal Stenosis in Pfeiffer Syndrome;Stone;Clin Genet,1990
5. Synchondrosis of the Laryngotracheal Skeleton and Tracheostenosis in the Apert-Crouzon Syndrome;Schmid;Zentralbl Allg Pathol,1971