(Q34725411)
Statements
1 reference
The epidemiology of Helicobacter pylori in Peruvian children between 6 and 30 months of age. (English)
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Graham DY
1 reference
Klein PD
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Gilman RH
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Leon-Barua R
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Diaz F
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Smith EO
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1 December 1994
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1 reference