Effects of exercise on head and neck cancer surgery: a systematic review of randomized controlled trials. - Ekici E; Yüzbaşıoğlu Ü; Özkeskin M; Özden F (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)