PubMed:32077659 / 502-507
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T77","span":{"begin":0,"end":5},"obj":"VBN"}],"text":"based"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok82","span":{"begin":0,"end":5},"obj":"VBN"},{"id":"event18","span":{"begin":0,"end":5},"obj":"OCCURRENCE"}],"text":"based"}