| Health / Medical Topics |
Questionnaire Group Identifier
A character or string that represents a questionnaire group. (NCI Thesaurus)
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A period of time during a questionnaire evaluation.
The interval between two questionnaire reference time points.
A subject domain utilized for the submission of information encompassing and representing data, vocabulary or records related to questionnaire.
An indication or description that questionnaire data is a derived value.
The date and time of a questionnaire reference point.
The day of the week questionnaire data was collected.
