PubMed:32171193 / 944-949
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T152","span":{"begin":0,"end":5},"obj":"VBN"}],"text":"shown"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok176","span":{"begin":0,"end":5},"obj":"VBN"},{"id":"event9","span":{"begin":0,"end":5},"obj":"OCCURRENCE"}],"text":"shown"}