(Q44906927)
Statements
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Incidence of perforated ulcer in western Norway, 1935-1990: cohort- or period-dependent time trends? (English)
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Svanes C
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Lie RT
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Kvåle G
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Svanes K
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Søreide O
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1 May 1995
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141
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9
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836-844
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Identifiers
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