CORD-19:12d35c12218f230c49f4dc892814ba9f1037f251 / 7270-7464 2 Projects
Annnotations
| Id | Subject | Object | Predicate | Lexical cue |
|---|---|---|---|---|
| TextSentencer_T33 | 0-194 | Sentence | denotes | Although immunoglobulins against these surface proteins are longlived, their functional relevance diminishes rapidly due to antigenic drift in both the HA and NA surface glycoproteins (22, 23) . |