PMC:7210464 / 57132-57212
Annnotations
LitCovid-PD-CLO
| Id | Subject | Object | Predicate | Lexical cue |
|---|---|---|---|---|
| T233 | 14-16 | http://purl.obolibrary.org/obo/CLO_0050507 | denotes | 22 |
LitCovid-sentences
| Id | Subject | Object | Predicate | Lexical cue |
|---|---|---|---|---|
| T514 | 0-80 | Sentence | denotes | Since January 22, it became mandatory to wear masks at work or in public places. |