Page History

New variables have been added to the following sections. Many of these are restricted to use in particular domains, as noted in the Usage Restrictions column.

• Section 3.1.1, The Interventions Observation Class
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• Section 3.1.2, The Events Observation Class
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• Section 3.1.3, The Findings Observation Class
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• 4, Identifiers for All Classes
  • GNTXAID
  • SPTOBID
  Section 3.1.5, Timing Variables for All Classes.
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The following new section was added:

• Section 6.x, Related References Dataset