PMC:6988269 / 17816-17821
Annnotations
LitCovid-PD-CHEBI
{"project":"LitCovid-PD-CHEBI","denotations":[{"id":"T63","span":{"begin":3,"end":5},"obj":"Chemical"}],"attributes":[{"id":"A63","pred":"chebi_id","subj":"T63","obj":"http://purl.obolibrary.org/obo/CHEBI_33696"}],"text":"4 NA"}
LitCovid-sentences
{"project":"LitCovid-sentences","denotations":[{"id":"T170","span":{"begin":0,"end":5},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"4 NA"}