PMC:7103724 / 6812-7067
Annnotations
LitCovid-sentences
| Id | Subject | Object | Predicate | Lexical cue |
|---|---|---|---|---|
| T54 | 13-136 | Sentence | denotes | Informed consent was waived because of the retrospective nature of the study and the analysis used anonymous clinical data. |
| T55 | 138-151 | Sentence | denotes | Data analysis |