PubMed:32118394 / 170-178
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T28","span":{"begin":0,"end":8},"obj":"VBG"}],"text":"widening"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok31","span":{"begin":0,"end":8},"obj":"NN"}],"text":"widening"}