Relation between a germ called Helicobacter pylori and large gut cancers.

Name: Relation between a germ called Helicobacter pylori and large gut cancers.
Published: 2016-01-15T00:00:00+08:00

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Intervention1: Nil: Nil Control Intervention1: Nil: Nil Primary outcome(s): Prevalence of Helicobacter pylori Timepoint: every 4 weeks

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2016-01-15