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Intratumoral heterogeneity of HER2 expression in the metastatic foci of HER2-positive advanced gastric cancer remains unclear. In this study, we compared HER2 expression between primary and(More)
BACKGROUND Helicobacter pylori (H. pylori) infection and excessive salt intake are known as important risk factors for stomach cancer in humans. However, interactions of these two factors with gene(More)
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