Antioxidant Mechanism is Involved in the Gastroprotective Effects of Ozonized Sunflower Oil in Ethanol-Induced Ulcers in Rats - Zamora Rodríguez, Zullyt B.; González Álvarez, Ricardo; Guanche, Dailén; Merino, Nelson; Hernández Rosales, Frank; Menéndez Cepero, Silvia; Alonso González, Yaima; Schulz, Siegfried (Mediators of Inflammation, 2007)