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Nordenström J, Jeevanandam M, Elwyn DH, Carpentier YA, Askanazi J, Robin A, Kinney JM.Nordenström J, et al. Among authors: carpentier ya.Clin Physiol. 1981 Oct;1(5):525-34. doi: 10.1111/j.1475-097x.1981.tb00919.x.Clin Physiol. 1981.PMID: 6802557Clinical Trial.