Acute Upper Respiratory Tract Infection - When is Bacteria Involved?
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Last updated:17th Apr 2012
The purpose of this study is to find out if we can predict the progress of acute upper respiratory tract infection to acute bacterial rhinosinusitis in Finnish conscripts by symptoms, clinical, endoscopic or radiological findings, middle meatal swab samples or nitric oxide measurement.
|Study start date||2012-04-17|