Warning: The NCBI web site requires JavaScript to function. more...
An official website of the United States government
The .gov means it's official. Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you're on a federal government site.
The site is secure. The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.
The sum or the stock of words used by a language, a group, or an individual. (From Webster, 3d ed)
PubMed search builder options
Restrict to MeSH Major Topic.
Do not include MeSH terms found below this term in the MeSH hierarchy.
Tree Number(s): L01.559.598.901
MeSH Unique ID: D014825
Entry Terms: