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• guidance on the use of domains and variables;

• sample aCRFs;

• examples of SDTM datasets, with text describing the context and example records of note. 

The domain specification tables  tables include rows for all required and expected variables for a domain and for a set of permissible variables are most likely relevant. The permissible variables do not include all the variables that are allowed for the domain; they are a set of variables that are considered likely to be included.  

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