CORD-19:01548ef6d46d6e6d72afe8cbf4e231552b9d2bd7 / 19757-20047 3 Projects
Annnotations
| Id | Subject | Object | Predicate | Lexical cue |
|---|---|---|---|---|
| T62 | 0-290 | Epistemic_statement | denotes | In the meantime, it must be kept in mind that the presence of viral particles of abnormal morphology, such as the corona viruses common to hamster cells (Bernhard and Tournier, 1964) , may be a normal feature of cells in culture and not the result of contamination by some extraneous agent. |