HIFU and the Oxidative Echo: A Pilot Investigation of Free Radical Stress in Facial and Neck Procedures. - Biskanaki, Foteini; Chaniotis, Dimitrios; Anastasiou, Ioanna A.; Tentolouris, Nikolaos; Papadopoulos, Vasilis; Skouras, George; Mavreli, Angeliki M.; Chanioitis, Fragiskos; Protopapa, Evaggelia; Varvaresou, Athanasia; Lazaris, Andreas C. (Applied Sciences (2076-3417), 2026)