1Triglia J M,Nicollas R, Ducroz V,et al.First branchial cleft anomalies:a study of 39 cases and a review of the literature.Arch Otolaryngol Head Neck Surg,1998,124:291-295.
2Olsen K D,Maragos N E,Weiland L H.First branchial cleft anomalies.Laryngoscope,1980,90:423-436.
3D'Souza A R,Uppal H S,De R,et al.Updating concepts of first branchial cleft defects:a literature review.Int J Pediatr Otorhinolaryngol,2002,62:103-109.