No abstract available
MeSH terms
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Adrenergic beta-Antagonists / adverse effects*
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Angina Pectoris, Variant / chemically induced
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Angina Pectoris, Variant / complications*
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Electrocardiography
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Female
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Heart Block / complications*
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Heart Block / drug therapy
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Humans
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Metoprolol / adverse effects*
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Middle Aged
Substances
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Adrenergic beta-Antagonists
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Metoprolol