"Altitude" 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.
A vertical distance measured from a known level on the surface of a planet or other celestial body.
This graph shows the total number of publications written about "Altitude" by people in this website by year, and whether "Altitude" was a major or minor topic of these publications.
To see the data from this visualization as text, click here.