| Health / Medical Topics |
Substance Use Duration
The length of time that substance usage occurs. (NCI Thesaurus)
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The unit of measure for the substance usage dose.
The rate of substance usage.
The dosage form of a substance in use.
A characterization of the dose of substance that has been used.
The amount of substance that a subject has used.
A subject domain utilized for the submission of information encompassing and representing data, vocabulary or records related to substance use.
