"Ammonia" 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 colorless alkaline gas. It is formed in the body during decomposition of organic materials during a large number of metabolically important reactions. Note that the aqueous form of ammonia is referred to as AMMONIUM HYDROXIDE.

This graph shows the total number of publications written about "Ammonia" by people in this website by year, and whether "Ammonia" was a major or minor topic of these publications.
Bar chart showing 2988 publications over 30 distinct years, with a maximum of 240 publications in 2016
To see the data from this visualization as text, click here.