PMC:7784787 / 827-1022 2 Projects
Annnotations
| Id | Subject | Object | Predicate | Lexical cue |
|---|---|---|---|---|
| T15 | 0-69 | Sentence | denotes | Face masks are an effective means of stemming the spread of COVID-19. |
| T16 | 70-195 | Sentence | denotes | However, mask performance varies considerably depending on the fabric from which they are made, and how they fit on the face. |