PMC:7786642 / 280-475 2 Projects
Annnotations
Id | Subject | Object | Predicate | Lexical cue |
---|---|---|---|---|
T6 | 7-75 | Sentence | denotes | • We found some evidence of an effect of NO2 on COVID-19 mortality. |
T7 | 76-141 | Sentence | denotes | • The effect of long-term PM2.5 exposure remains more uncertain. |