IP属地：四川
3. Coding and Controlled Terminology Assumptions 3.1 Controlled Terminol...
2.3 General Variable Assumptions 2.3.1 Variable-naming Conventions SDTM ...
2. Submitting Data in Standard Format 2.1 Primary Keys 因为Primary Keys的目的...
1. Fundamentals of the SDTM 1.1 observations and variables 1. Identifier...