PubMed:32057212 / 466-468
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T72","span":{"begin":0,"end":2},"obj":"POS"}],"text":"'s"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok139","span":{"begin":0,"end":2},"obj":"POS"}],"text":"'s"}