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San Román JA, Vilacosta I, Zamorano JL, Almería C, Sánchez-Harguindey L.San Román JA, et al. Among authors: zamorano jl.J Am Coll Cardiol. 1993 Apr;21(5):1226-30. doi: 10.1016/0735-1097(93)90250-5.J Am Coll Cardiol. 1993.PMID: 8459081Free article.