PubMed:33419461 / 4075-4243
Annnotations
LitCovid-sentences
| Id | Subject | Object | Predicate | Lexical cue |
|---|---|---|---|---|
| T25 | 0-168 | Sentence | denotes | Individuals (one per household) receive information and study material by mail with instructions on how to produce a saliva sample and how to return the sample by mail. |