PMC:7781502 / 1552-1846 2 Projects
Annnotations
| Id | Subject | Object | Predicate | Lexical cue |
|---|---|---|---|---|
| T17 | 62-74 | Sentence | denotes | Introduction |
| T18 | 75-196 | Sentence | denotes | Coronavirus disease 2019 (COVID-19) pandemic is a novel public health emergency, activating the global healthcare system. |