87
Participants
Start Date
November 30, 2007
Primary Completion Date
December 31, 2010
Study Completion Date
June 30, 2011
Tonsillectomy
Tonsillectomy under general anesthesia as a day surgery using diathermy or blunt dissection. Follow up started from the day of surgery.
no intervention
No intervention (controls). Follow up started from the day of randomization.
Oulu University Hospital, Oulu
Oulu University Hospital
OTHER