"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.
The functions and activities carried out by the U.S. Postal Service, foreign postal services, and private postal services such as Federal Express.
- Postal Service
- Service, Postal
- Postal Services
- Services, Postal
- Mail Distribution
- Distribution, Mail
- Distributions, Mail
- Mail Distributions
Below are MeSH descriptors whose meaning is more general than "Postal Service".
Below are MeSH descriptors whose meaning is more specific than "Postal Service".
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.
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