(Q50906097)
Statements
Role of Helicobacter pylori infection in perforation of peptic ulcer: an age- and gender-matched case-control study. (English)
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Matsukura N
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Onda M
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Tokunaga A
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Kato S
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Yoshiyuki T
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Hasegawa H
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Yamashita K
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Tomtitchong P
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Hayashi A
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1 January 1997
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25 Suppl 1
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S235-9
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