No abstract available
MeSH terms
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Action Potentials
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Bradycardia / etiology*
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Diseases in Twins* / physiopathology
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Female
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Heart Block / etiology*
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Humans
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Hypocalcemia / complications*
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Hypocalcemia / physiopathology
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Infant, Newborn
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Infant, Premature, Diseases* / physiopathology
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Purkinje Fibers / physiopathology