The delayed mouth-opening technique: a staged inset strategy to prevent distal necrosis in perioral free flap reconstruction. - Zhang W; Song S; Guo K; He X; Tian C; Hu D; Wang Y (European archives of oto-rhino-laryngology : official journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery, 2026)