CORD-19:12f1cc78e99a0b82f3225d10abe9a5649f1b33fc / 4007-4388 5 Projects
Annnotations
| Id | Subject | Object | Predicate | Lexical cue |
|---|---|---|---|---|
| TextSentencer_T20 | 0-381 | Sentence | denotes | A convenience sample of 105 patients who met spirometric criteria for COPD and were enrolled in a larger influenza virus vaccine efficacy trial of patients Ն50 years of age (18) were chosen for analysis in this substudy of the prevalence of antibodies to HCoV, because residual serum and nasal wash specimens collected at the same time for each subject were available for analysis. |