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<link:linkbase xmlns:link='http://www.xbrl.org/2003/linkbase' xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance' xsi:schemaLocation='http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd'>
<link:labelLink xlink:role='http://www.xbrl.org/2003/role/link' xlink:type='extended' xmlns:xlink='http://www.w3.org/1999/xlink'>
<link:loc xlink:href='mr-2008-03-31.xsd#mr_AuditCommitteeParagraph' xlink:label='loc_AuditCommitteeParagraph' xlink:type='locator' />
<link:label xlink:label='lab_AuditCommitteeParagraph' xlink:role='http://www.xbrl.org/2003/role/documentation' xlink:type='resource' xml:lang='en-US'>Paragraph within the Management Report that discusses the Audit Committee.</link:label>
<link:labelArc order='1.0' xlink:arcrole='http://www.xbrl.org/2003/arcrole/concept-label' xlink:from='loc_AuditCommitteeParagraph' xlink:to='lab_AuditCommitteeParagraph' xlink:type='arc' />
<link:loc xlink:href='mr-2008-03-31.xsd#mr_AuditorInformationParagraph' xlink:label='loc_AuditorInformationParagraph' xlink:type='locator' />
<link:label xlink:label='lab_AuditorInformationParagraph' xlink:role='http://www.xbrl.org/2003/role/documentation' xlink:type='resource' xml:lang='en-US'>Paragraph within the Management Report that discusses/identifies the auditor(s)/independent accountant(s).</link:label>
<link:labelArc order='1.0' xlink:arcrole='http://www.xbrl.org/2003/arcrole/concept-label' xlink:from='loc_AuditorInformationParagraph' xlink:to='lab_AuditorInformationParagraph' xlink:type='arc' />
<link:loc xlink:href='mr-2008-03-31.xsd#mr_DetailOfOfficerInformationTextBlock' xlink:label='loc_DetailOfOfficerInformationTextBlock' xlink:type='locator' />
<link:label xlink:label='lab_DetailOfOfficerInformationTextBlock' xlink:role='http://www.xbrl.org/2003/role/documentation' xlink:type='resource' xml:lang='en-US'>Details of the company officer(s) certifying the management report.</link:label>
<link:labelArc order='1.0' xlink:arcrole='http://www.xbrl.org/2003/arcrole/concept-label' xlink:from='loc_DetailOfOfficerInformationTextBlock' xlink:to='lab_DetailOfOfficerInformationTextBlock' xlink:type='arc' />
<link:loc xlink:href='mr-2008-03-31.xsd#mr_InternalControlMonitoringAndMaintenanceParagraph' xlink:label='loc_InternalControlMonitoringAndMaintenanceParagraph' xlink:type='locator' />
<link:label xlink:label='lab_InternalControlMonitoringAndMaintenanceParagraph' xlink:role='http://www.xbrl.org/2003/role/documentation' xlink:type='resource' xml:lang='en-US'>Paragraph within the Management Report that discusses how a company monitors/maintains its internal control structure to assure continued effectiveness.</link:label>
<link:labelArc order='1.0' xlink:arcrole='http://www.xbrl.org/2003/arcrole/concept-label' xlink:from='loc_InternalControlMonitoringAndMaintenanceParagraph' xlink:to='lab_InternalControlMonitoringAndMaintenanceParagraph' xlink:type='arc' />
<link:loc xlink:href='mr-2008-03-31.xsd#mr_InternalControlOverviewParagraph' xlink:label='loc_InternalControlOverviewParagraph' xlink:type='locator' />
<link:label xlink:label='lab_InternalControlOverviewParagraph' xlink:role='http://www.xbrl.org/2003/role/documentation' xlink:type='resource' xml:lang='en-US'>Paragraph within the Management Report that discusses internal control structures, including its effectiveness and maintenance.</link:label>
<link:labelArc order='1.0' xlink:arcrole='http://www.xbrl.org/2003/arcrole/concept-label' xlink:from='loc_InternalControlOverviewParagraph' xlink:to='lab_InternalControlOverviewParagraph' xlink:type='arc' />
<link:loc xlink:href='mr-2008-03-31.xsd#mr_OfficerSignature' xlink:label='loc_OfficerSignature' xlink:type='locator' />
<link:label xlink:label='lab_OfficerSignature' xlink:role='http://www.xbrl.org/2003/role/documentation' xlink:type='resource' xml:lang='en-US'>Signature of the officer(s) signing the management report. Currently, this tag would primarily use the /s/ identifier to denote signature and then include the officer's name. In the future this might contain either a GIF image of a signature/digital signature or a URL to specific signature information.</link:label>
<link:labelArc order='1.0' xlink:arcrole='http://www.xbrl.org/2003/arcrole/concept-label' xlink:from='loc_OfficerSignature' xlink:to='lab_OfficerSignature' xlink:type='arc' />
<link:loc xlink:href='mr-2008-03-31.xsd#mr_OfficerTitleOrPosition' xlink:label='loc_OfficerTitleOrPosition' xlink:type='locator' />
<link:label xlink:label='lab_OfficerTitleOrPosition' xlink:role='http://www.xbrl.org/2003/role/documentation' xlink:type='resource' xml:lang='en-US'>Title of the officer of the management team that officially signs the Management Report.</link:label>
<link:labelArc order='1.0' xlink:arcrole='http://www.xbrl.org/2003/arcrole/concept-label' xlink:from='loc_OfficerTitleOrPosition' xlink:to='lab_OfficerTitleOrPosition' xlink:type='arc' />
<link:loc xlink:href='mr-2008-03-31.xsd#mr_OtherInformationParagraph' xlink:label='loc_OtherInformationParagraph' xlink:type='locator' />
<link:label xlink:label='lab_OtherInformationParagraph' xlink:role='http://www.xbrl.org/2003/role/documentation' xlink:type='resource' xml:lang='en-US'>Paragraph within the Management Report that contains additional/miscellaneous information.</link:label>
<link:labelArc order='1.0' xlink:arcrole='http://www.xbrl.org/2003/arcrole/concept-label' xlink:from='loc_OtherInformationParagraph' xlink:to='lab_OtherInformationParagraph' xlink:type='arc' />
<link:loc xlink:href='mr-2008-03-31.xsd#mr_ReportBodyManagementReport' xlink:label='loc_ReportBodyManagementReport' xlink:type='locator' />
<link:label xlink:label='lab_ReportBodyManagementReport' xlink:role='http://www.xbrl.org/2003/role/documentation' xlink:type='resource' xml:lang='en-US'>Section which contains the paragraphs which make up the body of the Management Report. This tag is to be used if the entire Management Report is to be listed together (that is, not broken out by paragraph).</link:label>
<link:labelArc order='1.0' xlink:arcrole='http://www.xbrl.org/2003/arcrole/concept-label' xlink:from='loc_ReportBodyManagementReport' xlink:to='lab_ReportBodyManagementReport' xlink:type='arc' />
<link:loc xlink:href='mr-2008-03-31.xsd#mr_ReportInformation' xlink:label='loc_ReportInformation' xlink:type='locator' />
<link:label xlink:label='lab_ReportInformation' xlink:role='http://www.xbrl.org/2003/role/documentation' xlink:type='resource' xml:lang='en-US'>Information contained in and which describes the specific Management Report issued.</link:label>
<link:labelArc order='1.0' xlink:arcrole='http://www.xbrl.org/2003/arcrole/concept-label' xlink:from='loc_ReportInformation' xlink:to='lab_ReportInformation' xlink:type='arc' />
<link:loc xlink:href='mr-2008-03-31.xsd#mr_ResponsibilityParagraph' xlink:label='loc_ResponsibilityParagraph' xlink:type='locator' />
<link:label xlink:label='lab_ResponsibilityParagraph' xlink:role='http://www.xbrl.org/2003/role/documentation' xlink:type='resource' xml:lang='en-US'>Paragraph within the Management Report that discusses management's responsibilities for the integrity and objectivity of the given financial information.</link:label>
<link:labelArc order='1.0' xlink:arcrole='http://www.xbrl.org/2003/arcrole/concept-label' xlink:from='loc_ResponsibilityParagraph' xlink:to='lab_ResponsibilityParagraph' xlink:type='arc' />
<link:loc xlink:href='mr-2008-03-31.xsd#mr_ManagementReportTextBlock' xlink:label='loc_ManagementReportTextBlock' xlink:type='locator' />
<link:label xlink:label='lab_ManagementReportTextBlock' xlink:role='http://www.xbrl.org/2003/role/documentation' xlink:type='resource' xml:lang='en-US'>Report(s) issued by management discussing management's responsibility related to financial information. This report typically accompanies/is accompanied by the Accountants Report information.</link:label>
<link:labelArc order='1.0' xlink:arcrole='http://www.xbrl.org/2003/arcrole/concept-label' xlink:from='loc_ManagementReportTextBlock' xlink:to='lab_ManagementReportTextBlock' xlink:type='arc' />
<link:loc xlink:href='mr-2008-03-31.xsd#mr_TitleOfManagementReport' xlink:label='loc_TitleOfManagementReport' xlink:type='locator' />
<link:label xlink:label='lab_TitleOfManagementReport' xlink:role='http://www.xbrl.org/2003/role/documentation' xlink:type='resource' xml:lang='en-US'>Title or name of the Management Report.</link:label>
<link:labelArc order='1.0' xlink:arcrole='http://www.xbrl.org/2003/arcrole/concept-label' xlink:from='loc_TitleOfManagementReport' xlink:to='lab_TitleOfManagementReport' xlink:type='arc' />
<link:loc xlink:href='mr-2008-03-31.xsd#mr_OfficerDomain' xlink:label='loc_OfficerDomain' xlink:type='locator' />
<link:label xlink:label='lab_OfficerDomain' xlink:role='http://www.xbrl.org/2003/role/documentation' xlink:type='resource' xml:lang='en-US'>Officer</link:label>
<link:labelArc order='1.0' xlink:arcrole='http://www.xbrl.org/2003/arcrole/concept-label' xlink:from='loc_OfficerDomain' xlink:to='lab_OfficerDomain' xlink:type='arc' />
<link:loc xlink:href='mr-2008-03-31.xsd#mr_OfficerName' xlink:label='loc_OfficerName' xlink:type='locator' />
<link:label xlink:label='lab_OfficerName' xlink:role='http://www.xbrl.org/2003/role/documentation' xlink:type='resource' xml:lang='en-US'>Name of the officer of the management team that officially signs the management report.</link:label>
<link:labelArc order='1.0' xlink:arcrole='http://www.xbrl.org/2003/arcrole/concept-label' xlink:from='loc_OfficerName' xlink:to='lab_OfficerName' xlink:type='arc' />
<link:loc xlink:href='mr-2008-03-31.xsd#mr_OfficersTable' xlink:label='loc_OfficersTable' xlink:type='locator' />
<link:label xlink:label='lab_OfficersTable' xlink:role='http://www.xbrl.org/2003/role/documentation' xlink:type='resource' xml:lang='en-US'>Container for Officer Information in a management report</link:label>
<link:labelArc order='1.0' xlink:arcrole='http://www.xbrl.org/2003/arcrole/concept-label' xlink:from='loc_OfficersTable' xlink:to='lab_OfficersTable' xlink:type='arc' />
<link:loc xlink:href='mr-2008-03-31.xsd#mr_OfficersOfficerAxis' xlink:label='loc_OfficersOfficerAxis' xlink:type='locator' />
<link:label xlink:label='lab_OfficersOfficerAxis' xlink:role='http://www.xbrl.org/2003/role/documentation' xlink:type='resource' xml:lang='en-US'>The axis of a table defines the relationship between the domain members or categories in the table and the line items or concepts that complete the table.</link:label>
<link:labelArc order='1.0' xlink:arcrole='http://www.xbrl.org/2003/arcrole/concept-label' xlink:from='loc_OfficersOfficerAxis' xlink:to='lab_OfficersOfficerAxis' xlink:type='arc' />
<link:loc xlink:href='mr-2008-03-31.xsd#mr_OfficersLineItems' xlink:label='loc_OfficersLineItems' xlink:type='locator' />
<link:label xlink:label='lab_OfficersLineItems' xlink:role='http://www.xbrl.org/2003/role/documentation' xlink:type='resource' xml:lang='en-US'>Officers [Line Items]</link:label>
<link:labelArc order='1.0' xlink:arcrole='http://www.xbrl.org/2003/arcrole/concept-label' xlink:from='loc_OfficersLineItems' xlink:to='lab_OfficersLineItems' xlink:type='arc' />
</link:labelLink>
</link:linkbase>
