PMC:7156291 / 24876-24968
Annnotations
LitCovid-sentences
Id | Subject | Object | Predicate | Lexical cue |
---|---|---|---|---|
T247 | 0-11 | Sentence | denotes | Methodology |
T248 | 12-27 | Sentence | denotes | • retrospective |
T249 | 28-60 | Sentence | denotes | • diagnostic or prognostic study |
T250 | 61-92 | Sentence | denotes | • performed at six institutions |