PubMed:32061066 / 2300-2311
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T436","span":{"begin":0,"end":11},"obj":"NNS"}],"text":"radiographs"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok496","span":{"begin":0,"end":11},"obj":"NNS"}],"text":"radiographs"}