| Name | Label | Concept | Required | Attribute of | Limit | Predicate Type | Group | |
|---|---|---|---|---|---|---|---|---|
| 1 variable | ||||||||
| DSRR002_COL2_R252A | Annotation of Daily Paper Self-Response Rate!!11/4/2020 | Daily Self-Response and Return Rates - Internet First | not required | DSRR002_COL2_R252 | 0 | string | DSRR002 | |