PMC:7780429 / 19658-19757
Annnotations
LitCovid-sentences
| Id | Subject | Object | Predicate | Lexical cue |
|---|---|---|---|---|
| T197 | 0-99 | Sentence | denotes | Masks are a critical preventive measure and are most essential when social distancing is difficult. |
| Id | Subject | Object | Predicate | Lexical cue |
|---|---|---|---|---|
| T197 | 0-99 | Sentence | denotes | Masks are a critical preventive measure and are most essential when social distancing is difficult. |