This page is a redirect. The following categories are used to track and monitor this redirect:
From a cross-project redirect: This is a redirect from a title associated with an item on Wikidata. The Wikidata item associated with this page is oxygen-13 (Q1875295).
To a section: This is a redirect from a topic that does not have its own page to a section of a page on the subject. For redirects to embedded anchors on a page, use {{R to anchor}}instead.
When appropriate, protection levels are automatically sensed, described and categorized.