ItemRef Example

<ItemGroupDef OID="INCLUSION" Name="Inclusion Criteria" >
		   ...
		   <ItemRef ItemOID="IDef.GENDER" Mandatory="Yes"/>
		   <ItemRef ItemOID="IDef.ISPREG" Mandatory="Yes" CollectionExceptionConditionOID="CECID.ISMALE"/>
</ItemGroupDef>

<ConditionDef OID="CECID.ISMALE">
     <TranslatedText xml:lang="en">Do not collect data for Male subjects </TranslatedText>
	 <FormalExpression Context="PL/SQL">
	 	  INCLUSION.IDef.GENDER = 'Male'
	 </FormalExpression>
</ConditionDef>