"Spain" 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
Country located between France on the northeast and Portugal on the west and bordered by the Atlantic Ocean and the Mediterranean Sea. The capital is Madrid.

This graph shows the total number of publications written about "Spain" by people in this website by year, and whether "Spain" was a major or minor topic of these publications.
Bar chart showing 14105 publications over 31 distinct years, with a maximum of 1110 publications in 2017
To see the data from this visualization as text, click here.