PubMed:32238504 / 135-146
Annnotations
LitCovid-TimeML
| Id | Subject | Object | Predicate | Lexical cue |
|---|---|---|---|---|
| tok25 | 0-11 | VBG | denotes | challenging |
| event10 | 0-11 | OCCURRENCE | denotes | challenging |
| Id | Subject | Object | Predicate | Lexical cue |
|---|---|---|---|---|
| tok25 | 0-11 | VBG | denotes | challenging |
| event10 | 0-11 | OCCURRENCE | denotes | challenging |