PubMed:32134681 / 1023-1026
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T173","span":{"begin":0,"end":3},"obj":"VBD"}],"text":"had"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok199","span":{"begin":0,"end":3},"obj":"VBD"},{"id":"event32","span":{"begin":0,"end":3},"obj":"OCCURRENCE"}],"text":"had"}