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Grau Junyent JM, Rozman M, Corachán M, Estruch R, Urbano-Marquez A.Grau Junyent JM, et al. Among authors: estruch r.Trans R Soc Trop Med Hyg. 1987;81(6):931-2. doi: 10.1016/0035-9203(87)90356-7.Trans R Soc Trop Med Hyg. 1987.PMID: 3503413No abstract available.