PMC:7068164 / 99-226 6 Projects
Annnotations
| Id | Subject | Object | Predicate | Lexical cue |
|---|---|---|---|---|
| T2 | 12-20 | Sentence | denotes | Abstract |
| T3 | 21-103 | Sentence | denotes | In the WHO European Region, COVID-19 surveillance was implemented 27 January 2020. |
| Id | Subject | Object | Predicate | Lexical cue |
|---|---|---|---|---|
| T2 | 12-20 | Sentence | denotes | Abstract |
| T3 | 21-103 | Sentence | denotes | In the WHO European Region, COVID-19 surveillance was implemented 27 January 2020. |