PMC:7796344 / 7335-7538 2 Projects
Annnotations
| Id | Subject | Object | Predicate | Lexical cue |
|---|---|---|---|---|
| T45 | 0-203 | Sentence | denotes | However, a recent systematic review of 21 studies by Liang et al. (2020) found “the risk of influenza, SARS, and COVID-19 infection were reduced by 45%, 74%, and 96% by wearing masks, respectively” [20]. |