<n0:ComplexDefinition xmlns:n0="http://ncicb.nci.nih.gov/xml/owl/EVS/ComplexProperties.xsd#"><n0:def-definition>A receptor-targeted complex comprised of a truncated toxin fused to a hormone, growth factor, or immunologic agent (i.e. antibody) that binds to the tumor cell allowing the toxin to kill the cell following internalization.</n0:def-definition><n0:def-source>NCI</n0:def-source></n0:ComplexDefinition>