By: Vroegop, AV; Eeckels, AS; Van Rompaey, V; et al.
By: Topsakal, V; Van Rompaey, V; Kuhweide, R; et al.
By: Faris, C; Deben, K; Van Haesendonck, G; et al.
By: Capelli, M and Gatti, P
By: Baki, A; Damlaca, S; Yildiz, M; et al.
By: Van der Poel, N; Mansbach, AL; Loundon, N; et al.
By: Mertens, G; Hofkens, A; Van de Heyning, P; et al.
By: Calvo-Henriquez, C; Ruano-Ravina, A; Martinez-Capoccioni, G; et al.
Ph. Eloy, J. B. Watelet, A.-S. Hatert, B. Bertrand
(B-ENT 2006; 2: 135-139)
K. Yuca, Ö. Etlik, A.F. Kiroğlu, S. Çelebi, F. Yakut
(B-ENT 2005; 1: 155-157)