?:definition
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The quantity of a substance or medication anticipated to be administered. EXAMPLE(S): 5 mg; NOTE(S): This is intended to be a subject-specific quantity. DefinedSubstanceAdministration.productDose can contain a dose expressed in absolute or relative terms (e.g. mg or mg/kg). ScheduledSubstanceAdministration.productDose and PerformedSubstanceAdministration.productDose must contain a dose expressed in absolute terms (e.g. mg). If the DefinedSubstanceAdministration.productDose was expressed in relative terms (e.g. mg/kg), then the absolute dose must have been calculated using one or more observed factors as identified by the DefinedDoseExpressionVariableRelationship.
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