(Q42140153)
Statements
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Half time of the diastolic aortoventricular pressure difference by continuous wave Doppler ultrasound: a measure of the severity of aortic regurgitation? (English)
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Samstad SO
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Hegrenaes L
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Skjaerpe T
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Hatle L
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1 April 1989
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336-343
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Identifiers
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