PMC:7029452 / 552-753
Annnotations
| Id | Subject | Object | Predicate | Lexical cue |
|---|---|---|---|---|
| T6 | 94-178 | Sentence | denotes | Three categories of risk exposure and follow-up procedure were defined for contacts. |
| Id | Subject | Object | Predicate | Lexical cue |
|---|---|---|---|---|
| T6 | 94-178 | Sentence | denotes | Three categories of risk exposure and follow-up procedure were defined for contacts. |