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Nagpal AD, Bhatnagar G, Cutrara CA, Ahmed SM, McKenzie N, Quantz M, Kiaii B, Menkis A, Fox S, Stitt L, Novick RJ.Nagpal AD, et al. Among authors: fox s.Can J Cardiol. 2006 Aug;22(10):849-53. doi: 10.1016/s0828-282x(06)70303-8.Can J Cardiol. 2006.PMID: 16957802Free PMC article.