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Frías-De León MG, Zavala-Ramírez M, Córdoba S, Zúñiga G, Duarte-Escalante E, Pérez-Torres A, Zepeda-Rodríguez A, López-Martínez I, Buitrago MJ, del Rocío Reyes-Montes M.Frías-De León MG, et al. Among authors: zuniga g.BMC Infect Dis. 2011 May 9;11:116. doi: 10.1186/1471-2334-11-116.BMC Infect Dis. 2011.PMID: 21554728Free PMC article.