PMC:7796111 / 62030-62206 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T409","span":{"begin":0,"end":176},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Figure 4 Reported frequency of number of PCR tests (swab and saliva) completed across 12 weeks of testing during P-ATS by total sample and stratified by first and final years."}