PubMed:33419461 / 4909-5122 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T32","span":{"begin":0,"end":213},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Only individuals whose pre-screening score crosses a defined threshold, will then receive additional study material by mail with instructions on how to produce a saliva sample and how to return the sample by mail."}