"Ohio" 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.
State bounded on the north by Michigan and Lake Erie, on the east by Ohio River and Pennsylvania, on the south by Ohio River, and on the west by Indiana.
This graph shows the total number of publications written about "Ohio" by people in this website by year, and whether "Ohio" was a major or minor topic of these publications.
To see the data from this visualization as text, click here.