NLM Classification Updated, September 21, 2021September 21, 2021
The 2021 summer version encompasses the systematic review of the WU (Dentistry. Oral Surgery) and WV (Otolaryngology).
For more information about the scope of the 2021 summer edition, see https://classification.nlm.nih.gov/scope.
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Last Reviewed: September 24, 2021