20
Participants
Start Date
June 30, 2013
Primary Completion Date
August 31, 2015
Study Completion Date
August 31, 2015
corticosteroids
olfactory stimulation
stimulation with odorants by sniffing 4 different odorants for a total of 5 minutes twice a day during 3 months
ENT department St Olavs Hospital, Trondheim
Norwegian University of Science and Technology
OTHER
St. Olavs Hospital
OTHER