PubMed:33419461 / 4404-4622 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T28","span":{"begin":0,"end":218},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Individuals (one per household) receive information and study material by mail with instructions on how to produce their own as well as saliva samples from each household member and how to return these samples by mail."}