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Prada JL, Torre-Cisneros J, Kindelan JM, Jurado R, Villanueva JL, Navarro M, Linares MJ.Prada JL, et al.Postgrad Med J. 1996 Sep;72(851):575. doi: 10.1136/pgmj.72.851.575.Postgrad Med J. 1996.PMID: 8949603Free PMC article.No abstract available.