"Emphysema" 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 pathological accumulation of air in tissues or organs.
This graph shows the total number of publications written about "Emphysema" by people in this website by year, and whether "Emphysema" was a major or minor topic of these publications.
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