| Health / Medical Topics |
Substance Use Reported Name
The literal identifier of the substance in use. (NCI Thesaurus)
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The rationale why substance use data was not obtained.
An indication or description regarding an episode of substance usage.
An indication or description that an individual's substance usage status is never, current, or former.
An indication or description of a change in substance usage.
A character or string that represents a substance usage group.
A characterization of the relationship of a substance use conclusion point in time to a reference point in time.
