- Observational Study Protocol Registration Template Available: The Observational Study Protocol Registration Template is intended to help investigators understand and gather the data needed to complete each registration module for an observational study. The template displays this information in a non-fillable Portable Document Format (PDF) file. (The template cannot be used to submit data directly to the Protocol Registration and Results System (PRS).) For a description of each data element, see the Protocol Registration Data Element Definitions.
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