"Subtraction Technique" 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.
Combination or superimposition of two images for demonstrating differences between them (e.g., radiograph with contrast vs. one without, radionuclide images using different radionuclides, radiograph vs. radionuclide image) and in the preparation of audiovisual materials (e.g., offsetting identical images, coloring of vessels in angiograms).
This graph shows the total number of publications written about "Subtraction Technique" by people in this website by year, and whether "Subtraction Technique" was a major or minor topic of these publications.
To see the data from this visualization as text, click here.