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Méndez-Sánchez N, Sánchez-Castillo CP, Villa AR, Madrigal H, Merino B, García E, López P, Pichardo-Ontiveros E, Uribe M.Méndez-Sánchez N, et al.Ann Hepatol. 2004 Apr-Jun;3(2):66-71.Ann Hepatol. 2004.PMID: 15257249Free article.