PubMed:32131906 / 550-552
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T94","span":{"begin":0,"end":2},"obj":"IN"}],"text":"As"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok104","span":{"begin":0,"end":2},"obj":"IN"}],"text":"As"}