Page History
The variable label, definition, and/or notes associated with the following variable has have been changed in the following sections.
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New variables have been added to the following sections. Many of these are restricted in use, as noted in the Usage Restrictions column.
- Section 3.1.4 , Identifiers for All Classes
- GNTXAID
- SPTOBID
The following new section was added:
- Section 6.x , Related References Dataset
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