PubMed:31996345 / 78-85
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T14","span":{"begin":0,"end":7},"obj":"NNS"}],"text":"doctors"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok15","span":{"begin":0,"end":7},"obj":"NNS"}],"text":"doctors"}