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Vega J, Santamarina M, Méndez GP.Vega J, et al. Among authors: mendez gp.Rev Med Chil. 2012 Dec;140(12):1580-4. doi: 10.4067/S0034-98872012001200009.Rev Med Chil. 2012.PMID: 23677231Free article.Spanish.
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