PubMed:32031570 / 1268-1273
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T200","span":{"begin":0,"end":5},"obj":"CD"}],"text":"42-68"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok214","span":{"begin":0,"end":2},"obj":"CD"},{"id":"tok215","span":{"begin":2,"end":3},"obj":":"},{"id":"tok216","span":{"begin":3,"end":5},"obj":"CD"}],"text":"42-68"}