LexEVS 6.4 was released in mm yyyy (TDB).
Full details are available on the LexEVS 6.4 page.
LexEVS 6.4 features include:
LexEVS 6.4 provides an upgrade to Lucene, the underlying search engine, additional OWL2, HL7 and other loader enhancements, and updates to existing admin scripts.
Also included in this package: