"Vietnam" 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
A country in southeastern Asia, bordering the Gulf of Thailand, Gulf of Tonkin, and South China Sea, as well as China, Laos, and Cambodia. The capital is Hanoi.

This graph shows the total number of publications written about "Vietnam" by people in this website by year, and whether "Vietnam" was a major or minor topic of these publications.
Bar chart showing 1853 publications over 29 distinct years, with a maximum of 170 publications in 2018
To see the data from this visualization as text, click here.