"Phlebotomy" 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.
The techniques used to draw blood from a vein for diagnostic purposes or for treatment of certain blood disorders such as erythrocytosis, hemochromatosis, polycythemia vera, and porphyria cutanea tarda.
This graph shows the total number of publications written about "Phlebotomy" by people in Harvard Catalyst Profiles by year, and whether "Phlebotomy" was a major or minor topic of these publication.
To see the data from this visualization as text, click here.