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Reis SE, Gloth ST, Blumenthal RS, Resar JR, Zacur HA, Gerstenblith G, Brinker JA.Reis SE, et al. Among authors: blumenthal rs.Circulation. 1994 Jan;89(1):52-60. doi: 10.1161/01.cir.89.1.52.Circulation. 1994.PMID: 8281693Clinical Trial.