PMC:7784824 / 1526-1849 2 Projects
Annnotations
Id | Subject | Object | Predicate | Lexical cue |
---|---|---|---|---|
T23 | 43-54 | Sentence | denotes | Conclusion: |
T24 | 55-172 | Sentence | denotes | Sensitivity of COVID-19 serological diagnosis was variable but consistently increased at >7 days after symptom onset. |
T25 | 173-194 | Sentence | denotes | Specificity was high. |