PMC:7784786 / 19393-19752
Annnotations
| Id | Subject | Object | Predicate | Lexical cue |
|---|---|---|---|---|
| T174 | 0-149 | Sentence | denotes | The authors state that they have followed the principles outlined in the Declaration of Helsinki for all human or animal experimental investigations. |
| T175 | 150-284 | Sentence | denotes | The study was approved by a central ethical review board, created especially for COVID-19 and by the Cuban Regulatory Agency (CECMED). |
| T176 | 285-359 | Sentence | denotes | Before the treatment, informed consent was obtained from enrolled patient. |