<n0:ComplexTerm xmlns:n0="http://ncicb.nci.nih.gov/xml/owl/EVS/ComplexProperties.xsd#"><n0:term-name>Anti-Thrombin Unit</n0:term-name><n0:term-group>PT</n0:term-group><n0:term-source>NCI</n0:term-source></n0:ComplexTerm><n0:ComplexTerm xmlns:n0="http://ncicb.nci.nih.gov/xml/owl/EVS/ComplexProperties.xsd#"><n0:term-name>ATU</n0:term-name><n0:term-group>AB</n0:term-group><n0:term-source>NCI</n0:term-source></n0:ComplexTerm><n0:ComplexTerm xmlns:n0="http://ncicb.nci.nih.gov/xml/owl/EVS/ComplexProperties.xsd#"><n0:term-name>Antithrombin III Unit</n0:term-name><n0:term-group>SY</n0:term-group><n0:term-source>NCI</n0:term-source></n0:ComplexTerm><n0:ComplexTerm xmlns:n0="http://ncicb.nci.nih.gov/xml/owl/EVS/ComplexProperties.xsd#"><n0:term-name>ATU</n0:term-name><n0:term-group>AB</n0:term-group><n0:term-source>ICH</n0:term-source><n0:source-code>0007</n0:source-code></n0:ComplexTerm><n0:ComplexTerm xmlns:n0="http://ncicb.nci.nih.gov/xml/owl/EVS/ComplexProperties.xsd#"><n0:term-name>Anti-thrombin Unit(s)</n0:term-name><n0:term-group>PT</n0:term-group><n0:term-source>ICH</n0:term-source><n0:source-code>0007</n0:source-code></n0:ComplexTerm>
nci:P97
<n0:ComplexDefinition xmlns:n0="http://ncicb.nci.nih.gov/xml/owl/EVS/ComplexProperties.xsd#"><n0:def-definition>A unit of anti-coagulation potency of antithrombin determined as the amount of antithrombin that neutralizes one unit of World Health Organization preparation 89/588 of thrombin.</n0:def-definition><n0:def-source>NCI</n0:def-source></n0:ComplexDefinition>