PMC:7143804 / 55368-55433 JSONTXT

{"project":"LitCovid-PD-CLO","denotations":[{"id":"T420","span":{"begin":16,"end":22},"obj":"http://purl.obolibrary.org/obo/SO_0000418"}],"text":"This background signal is measured using the mixture in Table A4."}

{"project":"LitCovid-PD-CHEBI","denotations":[{"id":"T14215","span":{"begin":45,"end":52},"obj":"Chemical"}],"attributes":[{"id":"A34456","pred":"chebi_id","subj":"T14215","obj":"http://purl.obolibrary.org/obo/CHEBI_60004"}],"text":"This background signal is measured using the mixture in Table A4."}

{"project":"LitCovid-sentences","denotations":[{"id":"T494","span":{"begin":0,"end":65},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"This background signal is measured using the mixture in Table A4."}