Description Usage Arguments Value Examples
Various UMLS source vocabularies have licensing restrictions, ranging from none (0) to level 4. See UMLS for details.
1 | source_level(level, us = TRUE)
|
level |
The maximum restriction level. |
us |
Whether or not you are looking at US or non-US restriction levels. |
A list of source vocabularies that have restriction levels less than the entered level.
1 2 | # Get all restriction-less US source vocabularies
source_level(0)
|
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