PubMed:32160942 / 1186-1187
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T184","span":{"begin":0,"end":1},"obj":"POS"}],"text":"'"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok192","span":{"begin":0,"end":1},"obj":"POS"}],"text":"'"}