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Berzosa C, Cebrián I, Fuentes-Broto L, Gómez-Trullén E, Piedrafita E, Martínez-Ballarín E, López-Pingarrón L, Reiter RJ, García JJ.Berzosa C, et al. Among authors: piedrafita e.J Biomed Biotechnol. 2011;2011:540458. doi: 10.1155/2011/540458. Epub 2011 Mar 9.J Biomed Biotechnol. 2011.PMID: 21436993Free PMC article.