"Empyema" 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
Presence of pus in a hollow organ or body cavity.

This graph shows the total number of publications written about "Empyema" by people in this website by year, and whether "Empyema" was a major or minor topic of these publications.
Bar chart showing 161 publications over 24 distinct years, with a maximum of 18 publications in 2010
To see the data from this visualization as text, click here.