PubMed:32118639 / 2406-2411
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T407","span":{"begin":0,"end":5},"obj":"NNS"}],"text":"swabs"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok469","span":{"begin":0,"end":5},"obj":"NNS"}],"text":"swabs"}