"Needle-Exchange Programs" 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.
Organized services for exchange of sterile needles and syringes used for injections as a potential means of reducing the transmission of infectious diseases.
This graph shows the total number of publications written about "Needle-Exchange Programs" by people in this website by year, and whether "Needle-Exchange Programs" was a major or minor topic of these publications.
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