PMC:7780429 / 26616-26760
Annnotations
LitCovid-PD-HP
| Id | Subject | Object | Predicate | Lexical cue | hp_id |
|---|---|---|---|---|---|
| T131 | 124-132 | Phenotype | denotes | headache | http://purl.obolibrary.org/obo/HP_0002315 |
LitCovid-PubTator
| Id | Subject | Object | Predicate | Lexical cue | tao:has_database_id |
|---|---|---|---|---|---|
| 408 | 89-96 | Species | denotes | tobacco | Tax:4097 |
| 414 | 124-132 | Disease | denotes | headache | MESH:D006261 |
LitCovid-sentences
| Id | Subject | Object | Predicate | Lexical cue |
|---|---|---|---|---|
| T220 | 0-144 | Sentence | denotes | The studies are mostly retrospective and limited, and there is no definite evidence that tobacco is an independent cause of headache occurrence. |