| Health / Medical Topics |
Defined Expression Variable Relationship
A relationship between a DefinedSubstanceAdministration and a DefinedObservation that identifies a factor used in a relative dose expression to calculate an absolute dose. EXAMPLE(S):Relationship of a calculated dose on a substance administration and a weight observation. Relationship of a calculated dose on a substance administration and a body surface area observation. NOTE(S):Formulas are used for direct mathematical calculations. Conditional assertions make use of the DefinedContingentOnRelationship class. (NCI Thesaurus/BRIDG)
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An integer specifying the relative preference for considering this relationship before other similar relationships having the same source activity.
