PubMed:32174267 / 939-943
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T148","span":{"begin":0,"end":4},"obj":"VB"}],"text":"rule"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok159","span":{"begin":0,"end":4},"obj":"VB"},{"id":"event9","span":{"begin":0,"end":4},"obj":"OCCURRENCE"}],"text":"rule"}