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1

Using a web or ftp client go to the URL: http://ncicb.nci.nih.gov/download/evsportal.jsp
Note that a valid UMLS license is required to download the NCI Metathesaurus due to the UMLS content inside. You will find out how to manage this on the site above if you do not have a license.
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2

Select the version of NCI Metathesaurus RRF you wish to download. There may only be one. Save the file to a directory on your machine.

3

Extract the RRF files from the zip ZIP download and save in to a directory on your machine. This directory will be referred to as NCI_METATHESAURUS_DIRECTORY.  RELASE_INFO.RRF is required to be present for the load utility to work.

4

Using the LexEVS utilities load the NCI Thesaurus:

{LEXEVS_HOME}/admin

For Windows installation use the following command:

LoadMetaBatch.bat –in "file:///{NCI_METATHESAURUS_DIRECTORY}/"

For Linux installation use the following command:

LoadMetaBatch.sh –in "file:///{NCI_THESAURUS_DIRECTORY}/"