PMC:7152911 / 5820-5925 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T48","span":{"begin":39,"end":61},"obj":"Sentence"},{"id":"T49","span":{"begin":62,"end":68},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":" measurement uncertainty (Clark et al. 2016; Silverman et al. 2019). Considering such limitations of trad"}

{"project":"2_test","denotations":[{"id":"32364936-27779849-7712884","span":{"begin":39,"end":43},"obj":"27779849"}],"text":" measurement uncertainty (Clark et al. 2016; Silverman et al. 2019). Considering such limitations of trad"}