PubMed:32062957 / 2572-2583
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T178","span":{"begin":0,"end":11},"obj":"VBN"}],"text":"complicated"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok578","span":{"begin":0,"end":11},"obj":"VBN"},{"id":"event13","span":{"begin":0,"end":11},"obj":"OCCURRENCE"}],"text":"complicated"}