?:definition
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A coded value specifying the end of the adverse event with respect to the sponsor-defined reference period. EXAMPLE(S): before, during, during/after, after OTHER NAME(S): NOTE(S): Sponsors should define the reference period in the study metadata. This may be populated when a start date is not collected. Derived from AdverseEvent.occurrenceDateRange.IVL.high.TS.DATETIME.uncertainRange.IVL.high = PerformedStudySubjectMilestone.studyReferenceDateRange then \'BEFORE\' AND AdverseEvent.occurenceDateRange.IVL.low.TS.DATETIME.uncertainRange.IVL.low = PerformedStudySubjectMilestone.studyReferenceDateRange then \'AFTER\'
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