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Picazo JJ, Betriu C, Culebras E, Rodríguez-Avial I, Gómez M, López-Fabal F; Grupo VIRA.Picazo JJ, et al. Among authors: gomez m.Rev Esp Quimioter. 2011 Jun;24(2):107-11.Rev Esp Quimioter. 2011.PMID: 21667004Free article.Spanish.