"Injections" 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
Introduction of substances into the body using a needle and syringe.

This graph shows the total number of publications written about "Injections" by people in this website by year, and whether "Injections" was a major or minor topic of these publications.
Bar chart showing 6443 publications over 30 distinct years, with a maximum of 513 publications in 2009
To see the data from this visualization as text, click here.