PubMed:32150618 / 949-954
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T137","span":{"begin":0,"end":5},"obj":"VBG"}],"text":"using"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok149","span":{"begin":0,"end":5},"obj":"VBG"},{"id":"event9","span":{"begin":0,"end":5},"obj":"OCCURRENCE"}],"text":"using"}