?:definition
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Source of information collected in the course of a clinical trial, specifically used to differentiate between data as collected versus data that are derived or calculated. NOTE: In CDISC, a metadata attribute defined for each dataset variable in the Define.xml document of an SDTM submission that refers to the source of a variable (e.g., CRF, derived, sponsor defined, PRO, etc.). See also data element originator.
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