PubMed:32108351 / 24-32
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T2","span":{"begin":1,"end":3},"obj":"IN"}],"text":" of 50 4"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok3","span":{"begin":1,"end":3},"obj":"IN"},{"id":"tok4","span":{"begin":4,"end":6},"obj":"CD"}],"text":" of 50 4"}