NEXUS Registrars      ResourceIidKey Type Name Nature Label PORTAL Status DOORS Status   100007 NexusPrimary GTG Registrar health care and life sciences registries and directories http://pds.telegenetics.net/gtg-nexus Valid Valid 100106 NexusRoot PDS NEXUS Root NEXUS Registrars network root http://pds.portaldoors.org/npds/nexus Valid Pending NoFilter Contains DoesNotContain StartsWith EndsWith EqualTo NotEqualTo GreaterThan LessThan GreaterThanOrEqualTo LessThanOrEqualTo Between NotBetween IsEmpty NotIsEmpty IsNull NotIsNull Custom