"Panama Canal Zone" 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.
The area across the Isthmus of Panama formerly administered by the UNITED STATES from 1903 to 1979 for the operation of the Panama Canal. Transfer to PANAMA was completed in 1999.
This graph shows the total number of publications written about "Panama Canal Zone" by people in this website by year, and whether "Panama Canal Zone" was a major or minor topic of these publications.
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