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Keyserlingk JR, de Francesco J, Breach N, Rhys-Evans P, Stafford N, Mott A.Keyserlingk JR, et al.Arch Otolaryngol Head Neck Surg. 1989 Mar;115(3):331-8. doi: 10.1001/archotol.1989.01860270073018.Arch Otolaryngol Head Neck Surg. 1989.PMID: 2917069