(Q45729985)
Statements
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CHANGING TRENDS IN PERFORATED PEPTIC ULCER DURING THE PAST 45 YEARS (English)
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Changing trends in perforated peptic ulcer during the past 45 years (English)
1 September 1992
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September 1992
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62
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9
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729-732
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1 reference
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Identifiers
1 reference