PMC:7796111 / 23157-23316 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T164","span":{"begin":0,"end":159},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"The change from swab test to saliva sample was initiated at week 10 of 12, in preparation for alignment with deployment of the main university testing service."}