No abstract available
MeSH terms
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Atrioventricular Block / diagnosis*
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Atrioventricular Block / therapy
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Cholecystectomy*
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Comorbidity
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Electrocardiography*
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Humans
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Male
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Middle Aged
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Pacemaker, Artificial
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Pre-Excitation Syndromes / diagnosis*
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Pre-Excitation Syndromes / therapy
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Preoperative Care*