Additional File 7.
Perl script for extracting neoplasm concepts and terms from the SNOMED-CT subset of UMLS The Perl script ca_snrec.pl produces a file (neosnom.txt) containing all UMLS terms derived from SNOMED-CT having a neoplasm relationship. It requires the external file MRCON (available at no cost from the National Library of Medicine) and snomout.txt (produced by snomout.pl) [see 6], both residing in the same directory as ca_snrec.pl. This script may take more than one-half hour to execute.
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Berman BMC Cancer 2004 4:88 doi:10.1186/1471-2407-4-88