PMC:7283670 / 110869-111116 6 Projects
Annnotations
| Id | Subject | Object | Predicate | Lexical cue |
|---|---|---|---|---|
| T943 | 0-247 | Sentence | denotes | Viral nucleic acid required for an RT‐PCR test is usually extracted from secretions of the lower respiratory tract, for example, bronchoalveolar lavage; however, tracheal aspirate or sputum can also be used (Chu et al., 2020; Corman et al., 2020). |