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. 2014 Aug 1;4:42. doi: 10.1186/s13550-014-0042-6

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Copyright © 2014 Okada et al.; licensee Springer

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly credited.

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Myocardial blood flow and Tc-99m ratios. Myocardial blood flow ratios (IRZ/NZ) were determined by microspheres for both study groups at four time points. Gamma well counter-determined myocardial tissue Tc-99m ratios (IRZ/NZ) at the end of 1 h of clearance are also shown. *p < 0.05 as compared to IR30 final Tc ratio; †p < 0.05 as compared to IR120 Tc-99m flow ratio. End, 1 h after tracer administration; IR30, ischemia-reperfusion, 30-min occlusion group; IR120, ischemia reperfusion, 120-min occlusion group; IRZ, ischemia-reperfusion zone; NZ, normal zone; Occl, time of LCx occlusion; Tc-99m, time of Tc-99m-teboroxime administration.