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Campos G, Diez-Ewald M, Ryder E, Torres-Guerra E, Fernández V, Rivero F, Arocha-Piñango CL; Grupo FRICVE.Campos G, et al.Invest Clin. 2008 Sep;49(3):341-51.Invest Clin. 2008.PMID: 18846775Spanish.
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