CORD-19:01548ef6d46d6e6d72afe8cbf4e231552b9d2bd7 / 26628-26860 4 Projects
Annnotations
| Id | Subject | Object | Predicate | Lexical cue |
|---|---|---|---|---|
| T90 | 0-232 | Epistemic_statement | denotes | Direct examination of both cultured cells and gradient-centrifuged tissue culture supernatants with the electron microscope, using both thin sectioning and negative staining techniques, should also serve to reveal passenger viruses. |