"Paper" 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
Thin sheets made from wood pulp and other fibrous substances, used for writing, drawing, printing, image duplication or wrapping.

This graph shows the total number of publications written about "Paper" by people in this website by year, and whether "Paper" was a major or minor topic of these publications.
Bar chart showing 1154 publications over 28 distinct years, with a maximum of 129 publications in 2016
To see the data from this visualization as text, click here.