European Archives of Oto-Rhino-Laryngology (2014) - Comments
pubmed: 23605244  doi: 10.1007/s00405-013-2491-3  issn: 1434-4726  issn: 0937-4477 

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C. F. Ngao, Teck Soon Tan, Prepageran Narayanan, R. Raman