Source:http://linkedlifedata.com/resource/umls/id/C2698618
NCI: A terminology subset of the CDISC Study Data Tabulation Model (SDTM) Unit codelist created for Clinical Data Acquisition Standards Harmonization (CDASH) Units for Planned Exposure terminology.,NCI: A terminology subset of the CDISC SDTM Unit codelist created for CDASH Units for Planned Exposure codelist. (NCI)