History description 2014-03-26: Lock all vaue sets untouched since 2014-03-26 to trackingId 2014T1_2014_03_26
description:
Specifies the administrative functionality within a formal experimental design for
which the ResearchSubject role was established. Examples: screening - role is used
for pre-enrollment evaluation portion of the design; enrolled - role is used for subjects
admitted to the active treatment portion of the design.
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