| Element | mmlRe:ReferralModule | 
| <xs:element name="chiefComplaints"> <xs:complexType mixed="true"> <xs:sequence> <xs:any namespace="http://www.w3.org/1999/xhtml" minOccurs="0" maxOccurs="unbounded"/> </xs:sequence> </xs:complexType> </xs:element> | 
| < mmlSm:chiefComplaints xmlns:mmlSm = "http://www.medxml.net/MML/v4/ContentModule/Summary/1.0" > | 
| Severe chest pain |