PubMed:32133830 / 99-101
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T15","span":{"begin":1,"end":2},"obj":"DT"}],"text":" a"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok17","span":{"begin":1,"end":2},"obj":"DT"}],"text":" a"}
LitCovid-PD-CLO
{"project":"LitCovid-PD-CLO","denotations":[{"id":"T2","span":{"begin":1,"end":2},"obj":"http://purl.obolibrary.org/obo/CLO_0001020"}],"text":" a"}