PMC:7156291 / 24697-24874
Annnotations
LitCovid-sentences
| Id | Subject | Object | Predicate | Lexical cue |
|---|---|---|---|---|
| T244 | 0-16 | Sentence | denotes | Ethical approval |
| T245 | 17-127 | Sentence | denotes | This study was approved by the Ethics Committee of the First Affiliated Hospital of Xi’an Jiaotong University. |
| T246 | 128-177 | Sentence | denotes | Institutional review board approval was obtained. |