PMC:7696151 / 5822-5972
Annnotations
LitCovid-sentences
| Id | Subject | Object | Predicate | Lexical cue |
|---|---|---|---|---|
| T49 | 2-57 | Sentence | denotes | In total, 133 papers were selected for data extraction. |
| T50 | 58-137 | Sentence | denotes | A flowchart illustrating the steps of the study selection is shown in Figure 2. |