PubMed:32167524 / 827-836
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T133","span":{"begin":0,"end":9},"obj":"NNS"}],"text":"Exposures"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok144","span":{"begin":0,"end":9},"obj":"NNP"}],"text":"Exposures"}