PubMed:32118390 / 164-172
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T23","span":{"begin":5,"end":6},"obj":"-COLON-"}],"text":"thods: A"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok27","span":{"begin":5,"end":6},"obj":":"}],"text":"thods: A"}