PubMed:32164400 / 894-902
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T158","span":{"begin":0,"end":8},"obj":"VBN"}],"text":"followed"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok191","span":{"begin":0,"end":8},"obj":"VBN"}],"text":"followed"}