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Note
titleMRCONSO Processing

MRCONSO.RRF is a large text file and a loading UMLS CUI's from it can degrade load time performance.  We recommend pre-processing the file to restrict it to MedDRA content only.  This can be accomplished easily in  a UNIX/Linux environment with a command like the following: grep 'MDR' MRCONSO.RRF > MRCONSO.MDR

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