CORD-19:2008f024274c53b0de1276f4047a6a641813fd98 / 63168-63353 3 Projects
Annnotations
| Id | Subject | Object | Predicate | Lexical cue |
|---|---|---|---|---|
| T49713 | 0-185 | Sentence | denotes | Background We have previously noted that tree and ragweed pollen grains can be airborne for most if not all daily periods during their respective seasons (AAAAI, 2003) , (ACAAI, 2003) . |