PMC:7796291 / 109-318 2 Projects
Annnotations
| Id | Subject | Object | Predicate | Lexical cue |
|---|---|---|---|---|
| T2 | 49-57 | Sentence | denotes | Abstract |
| T3 | 58-182 | Sentence | denotes | In the outbreak of COVID-19, the extended wear of single-use, disposable respirators was inevitable due to limited supplies. |