99
Participants
Start Date
April 1, 2021
Primary Completion Date
March 1, 2025
Study Completion Date
March 1, 2025
1) Fronto-Sphenoethmoidektomie 2) Draf 2b 3) Draf 3
1\) Fronto-Sphenoethmoidektomie 2) Draf 2b 3) Draf 3
RECRUITING
Zurich University Hospital, Zurich
University of Zurich
OTHER