PMC:7784787 / 8717-8831
Annnotations
LitCovid-sentences
| Id | Subject | Object | Predicate | Lexical cue |
|---|---|---|---|---|
| T75 | 0-114 | Sentence | denotes | The CE-marked FFP1 respirator mask in Figure 2D has no exhalation valve and it is marked as complying with EN 149. |
| Id | Subject | Object | Predicate | Lexical cue |
|---|---|---|---|---|
| T75 | 0-114 | Sentence | denotes | The CE-marked FFP1 respirator mask in Figure 2D has no exhalation valve and it is marked as complying with EN 149. |