Back to matchesWe found a matchYour institution may have rights to this item. Sign in to continue.TitleVorbereitung zur Facharztprüfung HNO: Folge 69.AuthorsThölken, R.; Zenk, J.PublicationHNO, 2023, Vol 71, Issue 12, p816ISSN0017-6192Publication typeArticleDOI10.1007/s00106-023-01387-7