No abstract available
MeSH terms
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Cardiac Resynchronization Therapy* / methods
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Cardiac-Gated Single-Photon Emission Computer-Assisted Tomography* / methods
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Humans
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Myocardial Perfusion Imaging* / methods
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Perfusion
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Tomography, Emission-Computed, Single-Photon / methods
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Ventricular Dysfunction, Left*