Abstract
Aschendorff, A; Arndt, S
Aschendorff, A; Arndt, S (reprint author), Albert Ludwigs Univ Freiburg, Univ Klin & Poliklin Hals Nasen Ohren Heilkunde, Killianstr 5, D-79106 Freiburg, Germany.
HNO, 2019; 67 (10): 734