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Subject Reference Start Date Time
The date and time a subject reference began. (NCI Thesaurus)
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The date and time a subject reference period has concluded.
A person whose task is to identify and enroll individuals into a research study.
The total group of study subjects that may participate in a study.
The name of the individual of interest.
An individual that came into contact with a source of tuberculosis.
A unique symbol that establishes identity of the subject.
