CORD-19:01548ef6d46d6e6d72afe8cbf4e231552b9d2bd7 / 15392-15605 3 Projects
Annnotations
| Id | Subject | Object | Predicate | Lexical cue |
|---|---|---|---|---|
| T47 | 0-213 | Epistemic_statement | denotes | Human diploid fibroblasts appear generally to have a limited lifetime in vitro (Hayflick, 1965) ; those from rats appear capable of long-term cultivation without loss of growth potential (Petursson et al., 1964) . |