The new S2k AWMF guideline for the treatment of obstructive sialadenitis in commented short form - Al-Nawas, B; Beutner, D; Geisthoff, U; Naujoks, C; Reich, R; Schröder, U; Sproll, C; Teymoortash, A; Ußmüller, J; Vogl, T; Wittekindt, C; Zenk, J; Guntinas-Lichius, O (Laryngorhinootologie, 2014)