PMC:7212965 / 11203-11416 JSONTXT

{"project":"LitCovid-PD-CLO","denotations":[{"id":"T78","span":{"begin":92,"end":93},"obj":"http://purl.obolibrary.org/obo/CLO_0001020"}],"text":"Data extraction was performed in pairs; one study author independently extracted data while a second reviewer checked for accuracy of the data extraction (S.S., O.A., S.M.S., P.D., J.D.F., J.K.L., Y.F.Y., H.B.E.)."}

{"project":"LitCovid-sentences","denotations":[{"id":"T75","span":{"begin":0,"end":213},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Data extraction was performed in pairs; one study author independently extracted data while a second reviewer checked for accuracy of the data extraction (S.S., O.A., S.M.S., P.D., J.D.F., J.K.L., Y.F.Y., H.B.E.)."}