Defined Composition Relationship

Definition 1

A relationship between a composite activity and the component activities that comprise it, i.e. parent and child activities, where all these activities are part of a global library of activities. (NCI Thesaurus)

Definition 2

A relationship between a composite activity and the component activities that comprise it, i.e. parent and child activities, where all these activities are part of a global library of activities. EXAMPLE(S): a battery of tests may be composed of multiple routine labs that are always ordered together as a group. Another example is a glucose tolerance test which is comprised of administering glucose and taking multiple timed blood samples which are then tested for glucose. NOTE(S): This class helps represent an AND relationship between siblings with the same parent activity. (NCI Thesaurus/BRIDG)

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