January 15, 2008 This directory contains documentation, data files, and other resources related to controlled terminology used by the Clinical Data Interchange Standards Consortium (CDISC). NCI Enterprise Vocabulary Services (EVS) is working with CDISC to develop and support controlled terminology in several areas, notably CDISC's Study Data Tabulation Model (SDTM). Contents: ReadMe.txt (this file) SDTM (directory for SDTM and related terminology) Background: Further information is available at: http://www.cancer.gov/cancertopics/terminologyresources/CDISC