No abstract available
MeSH terms
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Adolescent
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Aortic Valve Stenosis / diagnosis
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Aortic Valve Stenosis / etiology*
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Electrocardiography
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Endocarditis, Bacterial / complications
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Humans
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Meningococcal Infections / complications*
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Neisseria meningitidis*
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Phonocardiography
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Sepsis / complications*