PubMed:32031570 / 1094-1099
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T169","span":{"begin":0,"end":5},"obj":"NNS"}],"text":"wards"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok182","span":{"begin":0,"end":5},"obj":"NNS"}],"text":"wards"}