PMC:7143846 / 21958-22165
Annnotations
LitCovid-PD-CLO
{"project":"LitCovid-PD-CLO","denotations":[{"id":"T75","span":{"begin":168,"end":170},"obj":"http://purl.obolibrary.org/obo/CLO_0002755"}],"text":"T-before represents the word frequency during 13–19 January, 2020; T-after represents the word frequency during 20–26 January, 2020; M = mean; SD = standard deviation; df = degrees of freedom. *** p \u003c 0.001."}
LitCovid-PD-CHEBI
{"project":"LitCovid-PD-CHEBI","denotations":[{"id":"T10","span":{"begin":143,"end":145},"obj":"Chemical"}],"attributes":[{"id":"A10","pred":"chebi_id","subj":"T10","obj":"http://purl.obolibrary.org/obo/CHEBI_74807"}],"text":"T-before represents the word frequency during 13–19 January, 2020; T-after represents the word frequency during 20–26 January, 2020; M = mean; SD = standard deviation; df = degrees of freedom. *** p \u003c 0.001."}
LitCovid-sentences
{"project":"LitCovid-sentences","denotations":[{"id":"T186","span":{"begin":0,"end":207},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"T-before represents the word frequency during 13–19 January, 2020; T-after represents the word frequency during 20–26 January, 2020; M = mean; SD = standard deviation; df = degrees of freedom. *** p \u003c 0.001."}