1 of 31 checkable references need attention · checked 2026-07-23
At the dated check, the references listed below either did not resolve in
Crossref or DataCite, or carried a retraction notice. Each one is shown with the
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3 without a DOI — not checked. A reference
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References needing attention
marked retracted — notice via Crossref, record curated by Retraction Watch10.1159/000320276
Inflammatory Bowel Disease as a Risk Factor for Colorectal Cancer
Antioxidative Effects of Phenylethanoids from Cistanche deserticola.
The 3 references without a DOI — listed, not checked
no DOI — not checkedHelicobacter pylori and gastric cancer
no DOI — not checkedTransforming growth factor beta1 suppresses nonmetastatic colon cancer at an early stage of tumorigenesis
no DOI — not checkedElimination of colon cancer in germ‐free transforming growth factor beta 1‐deficient mice
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checked 2026-07-23 — re-checked daily as this page is visited;
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