(Q33174028)
Statements
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Aortic valve replacement in elderly patients with aortic stenosis (English)
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Straumann E
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Kiowski W
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Langer I
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Grädel E
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Stulz P
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Burckhardt D
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Pfisterer M
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Burkart F
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1 May 1994
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449-453
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Identifiers
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