CORD-19:01548ef6d46d6e6d72afe8cbf4e231552b9d2bd7 / 9567-9776 5 Projects
Annnotations
| Id | Subject | Object | Predicate | Lexical cue |
|---|---|---|---|---|
| T29 | 0-209 | Epistemic_statement | denotes | In certain other human tumor culture systems, prolonged cultivation may be necessary before antigenic and other changes, possibly indicative of the emergence of viruslike agents, can take place (Sabin, 1965) . |