NCT01883427
- Conditions
- Infections, Respiratory Tract Diseases, Respiratory Tract Infections, +1 more
- Locations
-
- Öronmottagningen Östersund, Sweden
- Öronmottagningen Piteå, Sweden
- Öronmottagningen Södra Sunderbyn, Sweden
- Öronmottagningen Sundsvall, Sweden