Health / Medical Topics

    Observational Study Protocol Version Time Perspective Code

    Definition 1

    A coded value specifying the temporal relationship of observation period to time of subject enrollment. (NCI Thesaurus)

    Definition 2

    A coded value specifying the temporal relationship of observation period to time of subject enrollment. EXAMPLE(S): prospective, retrospective, cross-sectional, other (NCI Thesaurus/BRIDG)




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