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Concha Ruíz M, García Sánchez F, Gómez Ullate JM, Peris JJ, Ferrer H, Otero E, Luna D, Montero A, Caffarena JM.Concha Ruíz M, et al.Rev Clin Esp. 1977 Jan 31;144(2):113-8.Rev Clin Esp. 1977.PMID: 841134Spanish.No abstract available.