Category:Wikipedia articles incorporating text from the United States National Library of Medicine

This is a maintenance category. It is used for maintenance of the Wikipedia project and is not part of the encyclopedia. It contains pages that are not articles, or it groups articles by status rather than subject. Do not include this category in content categories. This is a hidden category. It is not shown on its member pages, unless the corresponding user preference 'Show hidden categories' is set.

This category is for articles incorporating text from the United States National Library of Medicine.

Articles which cite this source should be tagged with the template {{NLM content}}.

This category also contains articles incorporating information from the National Center for Biotechnology Information.