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| | <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="CashAndCashEquivalentsAtCarryingValue" xlink:title="CashAndCashEquivalentsAtCarryingValue"/> |
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| | <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="OperatingExpenses" xlink:to="SellingGeneralAndAdministrativeExpense" xlink:title="calculation: OperatingExpenses to SellingGeneralAndAdministrativeExpense" order="1.0" weight="1.0"/> |
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| | <link:loc xlink:type="locator" xlink:href="pymx-20111231.xsd#pymx_GrantAndContractRevenues" xlink:label="GrantAndContractRevenues" xlink:title="GrantAndContractRevenues"/> |
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| <link:calculationLink xlink:type="extended" xlink:role="http://polymedix.com/role/StockholdersEquity"/> |
| <link:calculationLink xlink:type="extended" xlink:role="http://polymedix.com/role/Debt"/> |
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