PubMed:32060789 / 4-9
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T1","span":{"begin":0,"end":5},"obj":"NNP"}],"text":"First"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok2","span":{"begin":0,"end":5},"obj":"CD"},{"id":"lookup1","span":{"begin":0,"end":5},"obj":"stop"}],"text":"First"}