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If the CollectionExceptionConditionOID is provided, it references a ConditionDef that defines the circumstances under which collection of the Item may be omitted , (i.e., when the FormalExpression evaluates to True). For example, a data collection instrument designed to collect data for an item ' IsPregnant ' for an item group ' InclusionCriteria ' may be omitted for male subjects. The referenced ConditionDef would be defined as illustrated below. When the FormalExpression evaluates to True, the Item with OID IG.ISPREG need not be collected.
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