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The following Questionnaire, Ratings, and Scales (QRS) supplements to the Study Data Tabulation Model Implementation Guide (SDTMIG) were developed under the CDISC Standards Development Process.
QRS Standards extend the Foundational Standards to represent data that pertain to QRS instruments. CDISC Standards specify how to structure the data; they do not specify what data should be collected or how to conduct clinical trials, assessments or endpoints.
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