Coal

"Coal" 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.

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A natural fuel formed by partial decomposition of vegetable matter under certain environmental conditions.


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This graph shows the total number of publications written about "Coal" by people in this website by year, and whether "Coal" was a major or minor topic of these publications.
Bar chart showing 2 publications over 2 distinct years, with a maximum of 1 publications in 2014 and 2019
To see the data from this visualization as text, click here.
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