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Objective
To examine the construct validity, reliability and responsiveness of the Otology Questionnaire Amsterdam (OQUA).
Design
Multicentre, longitudinal study in 2 separate cohorts of patients visiting an ENT surgeon via an online survey programme.
Setting
Tertiary ENT clinics.
Participants
Cohort 1 consisted of patients at their first visit at an ENT outpatient clinic with an ear complaint...
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