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Villaseñor A, Parra A, López Amor E, Rull JA, Lozano-Castañeda O.Villaseñor A, et al. Among authors: lopez amor e.Rev Invest Clin. 1967 Apr-Jun;19(2):149-57.Rev Invest Clin. 1967.PMID: 5317602Spanish.No abstract available.