"North Dakota" 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 Canada, on the east by Minnesota, on the south by South Dakota, and on the west by Montana.
Below are MeSH descriptors whose meaning is more general than "North Dakota".
Below are MeSH descriptors whose meaning is more specific than "North Dakota".
This graph shows the total number of publications written about "North Dakota" by people in this website by year, and whether "North Dakota" was a major or minor topic of these publications.
To see the data from this visualization as text, click here.