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2. Congenital Neck Masses;Donagen,1993
3. Developmental anatomy;Graney,1993
4. Branchial cysts, sinuses, and fistulae;Liston;Ear Nose Throat J,1979
5. Branchial cysts, sinuses, and fistulae;Maran;Clin Otolaryngol Allied Sci,1978