200
Participants
Start Date
August 1, 2024
Primary Completion Date
August 7, 2024
Study Completion Date
August 15, 2024
exposures
exposures: Ear cleaning, swimming, wearing earphones, diabetes, immunosuppression, antibiotic ear drops, narrowing of the external auditory canal, etc.
RECRUITING
Zhongshan Hospital of Xiamen university, Xiamen
Zhongshan Hospital Xiamen University
OTHER