"Ultrasonic Waves" 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.
Oscillating sound wave with a frequency higher than the upper limit of the human hearing range.
This graph shows the total number of publications written about "Ultrasonic Waves" by people in this website by year, and whether "Ultrasonic Waves" was a major or minor topic of these publications.
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