1. Weerda H. Surgery The pinna. Injuries, defects and anomalies. Stuttgart: Thieme; 2004. p. 105-226.
2. Tewfik TL, Teebi AS, Der Kaloustian VM. Appendix A. Syndromes and conditions associated with congenital anomalies of the ear. In: Tewfik TL, Der Kaloustian VM, editors. Congenital Anomalies of the Ear, Nose, and Throat. New York: Oxford University Press; 1997. p. 125-44.