First Header Logo Second Header Logo

Postal Service

"Postal Service" is a descriptor in the National Library of Medicine's controlled vocabulary thesaurus, MeSH (Medical Subject Headings). Descriptors are arranged in a hierarchical structure, which enables searching at various levels of specificity.

expand / collapse MeSH information
The functions and activities carried out by the U.S. Postal Service, foreign postal services, and private postal services such as Federal Express.


expand / collapse publications
This graph shows the total number of publications written about "Postal Service" by people in this website by year, and whether "Postal Service" was a major or minor topic of these publications.
Bar chart showing 6 publications over 6 distinct years, with a maximum of 1 publications in 2007 and 2008 and 2011 and 2015 and 2016 and 2019
To see the data from this visualization as text, click here.