PMC:7210464 / 376-536
Annnotations
LitCovid-PD-CLO
| Id | Subject | Object | Predicate | Lexical cue |
|---|---|---|---|---|
| T1 | 72-84 | http://purl.obolibrary.org/obo/OBI_0000968 | denotes | instrumental |
LitCovid-sentences
| Id | Subject | Object | Predicate | Lexical cue |
|---|---|---|---|---|
| T5 | 22-116 | Sentence | denotes | Weather characteristics 2 weeks prior are used as instrumental variables for causal inference. |