PubMed:32250385 / 769-771
Annnotations
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok129","span":{"begin":0,"end":2},"obj":"NNP"}],"text":"Ca"}
LitCovid-PD-CHEBI
{"project":"LitCovid-PD-CHEBI","denotations":[{"id":"T1","span":{"begin":0,"end":2},"obj":"Chemical"}],"attributes":[{"id":"A1","pred":"chebi_id","subj":"T1","obj":"http://purl.obolibrary.org/obo/CHEBI_22984"}],"text":"Ca"}