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Reproducibility analyses of global rest and stress myocardial blood flow (MBF) and flow reserve (MFR) estimated with 99mTc-sestamibi SPECT within two weeks using ordered subset expectation maximization (OSEM) reconstruction with spline fitting. Correlation plots of rest and stress MBF (panel A) and MFR measurements (panel C). Bland–Altman plots of rest and stress MBF (panel B) and MFR measurements (panel D) obtained at the two visits.
