| Affiliation: | Department of Otorhinolaryngology, the Affiliated Hospital of Guizhou Medical University, No.9 Beijing Road, Guizhou, Guiyang, 550004, PR China;Department of Otorhinolaryngology, the Affiliated Hospital of Guizhou Medical University, No.9 Beijing Road, Guizhou, Guiyang, 550004, PR China;Department of Otorhinolaryngology, the Affiliated Hospital of Guizhou Medical University, No.9 Beijing Road, Guizhou, Guiyang, 550004, PR China;Department of Otorhinolaryngology, the Affiliated Hospital of Guizhou Medical University, No.9 Beijing Road, Guizhou, Guiyang, 550004, PR China;Guizhou Provincial People''s Hospital, No.83 Zhongshan East Road, Guizhou, Guiyang, 550004, PR China |
