PubMed:32049687 / 858-868
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T151","span":{"begin":0,"end":10},"obj":"JJ"}],"text":"first-line"}
LitCovid-OGER
{"project":"LitCovid-OGER","denotations":[{"id":"T1","span":{"begin":6,"end":10},"obj":"SO:0000194"}],"namespaces":[{"prefix":"PR","uri":"http://purl.obolibrary.org/obo/PR_"},{"prefix":"UBERON","uri":"http://purl.obolibrary.org/obo/UBERON_"}],"text":"first-line"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok170","span":{"begin":0,"end":10},"obj":"JJ"},{"id":"lookup38","span":{"begin":0,"end":5},"obj":"date"}],"text":"first-line"}