Start typing to search across the full knowledge system.
Canonical Source · government document
This page documents how this source is reused across Claim by Claim. A source can support, challenge, qualify or contextualize different claims; appearing here does not imply endorsement of every linked proposition.
Evidence context
Evidence roles describe what this source helps establish inside each Investigation. They are local to that use, not permanent labels attached to the publication itself.
Investigation
Current NCI evidence review distinguishing oral from IV pharmacokinetics, summarizing human trials and noting that FDA has not approved high-dose vitamin C as a cancer treatment.
Subject families