PMC:7031769 / 10867-11072 5 Projects
Annnotations
| Id | Subject | Object | Predicate | Lexical cue |
|---|---|---|---|---|
| T102 | 0-205 | Sentence | denotes | There are few such studies due to the ethics and safety concerns and there are many other variables that contribute to natural infections that would need to be accounted and controlled for in such studies. |