PubMed:32077659 / 114-121
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T16","span":{"begin":6,"end":7},"obj":"-COLON-"}],"text":"ective:"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok18","span":{"begin":6,"end":7},"obj":":"}],"text":"ective:"}