<sourceContent templateID="" templateType="Normal"><glossary><heading><![CDATA[]]></heading><instruction><![CDATA[]]></instruction><letter name="X"><word name="X-ray"><![CDATA[A stream of high-energy photons, used for their penetrating power in radiography, radiology, radiotherapy, and scientific research.]]></word></letter></glossary><references><heading><![CDATA[]]></heading><reference title="Surface Hip Replacement" link="http://www.totaljoints.info/surface_hip_replace.htm"><![CDATA[The total hip replacement surgery]]></reference></references></sourceContent>