PMC:7784824 / 11733-11857
Annnotations
LitCovid-sentences
| Id | Subject | Object | Predicate | Lexical cue |
|---|---|---|---|---|
| T121 | 0-124 | Sentence | denotes | If the initial nasopharyngeal swab was found to be negative, a second nasopharyngeal and additional anal swab were analyzed. |