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.
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.


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 8 publications over 7 distinct years, with a maximum of 2 publications in 2017
To see the data from this visualization as text, click here.
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