NCT00184392
- Conditions
- Acute Recurrent Rhinosinusitis, Nasal Polyps, Nose Diseases, +5 more
- Locations
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- Department of Otolaryngology, Sorlandet Hospital Kristiansand, Norway
- Department of Otolaryngology, Head and Neck Surgery, St Olav University Hospital of Trondheim, and Norwegian University of Science and Technology (NTNU), 7006 Trondheim, Norway Trondheim, Norway