<xsd:complexType name="RRE_O12.RESPONSE.CONTENT"> <xsd:sequence> <xsd:element ref="RRE_O12.PATIENT" minOccurs="0" maxOccurs="1" /> <xsd:element ref="RRE_O12.ORDER" minOccurs="1" maxOccurs="unbounded" /> </xsd:sequence> </xsd:complexType>