No abstract available
MeSH terms
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Angioplasty, Balloon, Coronary / instrumentation*
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Angioplasty, Balloon, Coronary / methods
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Blood Flow Velocity
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Cineangiography
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Collateral Circulation*
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Coronary Angiography
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Coronary Vessels / diagnostic imaging*
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Humans
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Male
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Middle Aged
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Ultrasonography