PMC:7299399 / 3648-4030 8 Projects
Annnotations
| Id | Subject | Object | Predicate | Lexical cue |
|---|---|---|---|---|
| T19 | 128-293 | Sentence | denotes | However, many viruses evolve subject to selective pressures, often becoming drug resistant, which necessitates additional resources for the development of new drugs. |
| T20 | 294-373 | Sentence | denotes | A novel coronavirus causing pneumonia was identified in China in December 2019. |