USAN
abbreviation
United States Adopted Names
—used to designate officially recognized nonproprietary names of drugs as established by a joint committee of medical and pharmaceutical professionals
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Cite this Entry
“USAN.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/USAN. Accessed 25 Apr. 2024.
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