Department of Otorhinolaryngology;
Suining Central Hospital;
An Affiliated Hospital of Chongqing Medical University;
An Affiliated Hospital of North Sichuan Medical College;
Suining 629000;
Sichuan;
China;
Department of Emergency;
Suining First people's Hospi-tal;
Suining 629000;
Sichuan;
China;
Department of Otorhinolaryngology;
Suining Central Hospital;
An Affiliated Hospital of Chongqing Medical University;
An Affiliated Hospital of North Sichuan Medical College;
Suining 629000;
Sichuan;
China;
Department of Otorhinolaryngology;
Suining Central Hospital;
An Affiliated Hospital of Chongqing Medical University;
An Affiliated Hospital of North Sichuan Medical College;
Suining 629000;
Sichuan;
China;
Department of Otorhinolaryngology;
Suining Central Hospital;
An Affiliated Hospital of Chongqing Medical University;
An Affiliated Hospital of North Sichuan Medical College;
Suining 629000;
Sichuan;
China;